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GNU GENERAL PUBLIC LICENSE |
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Version 3, 29 June 2007 |
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Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> |
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Everyone is permitted to copy and distribute verbatim copies |
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Preamble |
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The GNU General Public License is a free, copyleft license for |
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but do not include claims that would be infringed only as a |
|||
consequence of further modification of the contributor version. For |
|||
purposes of this definition, "control" includes the right to grant |
|||
patent sublicenses in a manner consistent with the requirements of |
|||
this License. |
|||
|
|||
Each contributor grants you a non-exclusive, worldwide, royalty-free |
|||
patent license under the contributor's essential patent claims, to |
|||
make, use, sell, offer for sale, import and otherwise run, modify and |
|||
propagate the contents of its contributor version. |
|||
|
|||
In the following three paragraphs, a "patent license" is any express |
|||
agreement or commitment, however denominated, not to enforce a patent |
|||
(such as an express permission to practice a patent or covenant not to |
|||
sue for patent infringement). To "grant" such a patent license to a |
|||
party means to make such an agreement or commitment not to enforce a |
|||
patent against the party. |
|||
|
|||
If you convey a covered work, knowingly relying on a patent license, |
|||
and the Corresponding Source of the work is not available for anyone |
|||
to copy, free of charge and under the terms of this License, through a |
|||
publicly available network server or other readily accessible means, |
|||
then you must either (1) cause the Corresponding Source to be so |
|||
available, or (2) arrange to deprive yourself of the benefit of the |
|||
patent license for this particular work, or (3) arrange, in a manner |
|||
consistent with the requirements of this License, to extend the patent |
|||
license to downstream recipients. "Knowingly relying" means you have |
|||
actual knowledge that, but for the patent license, your conveying the |
|||
covered work in a country, or your recipient's use of the covered work |
|||
in a country, would infringe one or more identifiable patents in that |
|||
country that you have reason to believe are valid. |
|||
|
|||
If, pursuant to or in connection with a single transaction or |
|||
arrangement, you convey, or propagate by procuring conveyance of, a |
|||
covered work, and grant a patent license to some of the parties |
|||
receiving the covered work authorizing them to use, propagate, modify |
|||
or convey a specific copy of the covered work, then the patent license |
|||
you grant is automatically extended to all recipients of the covered |
|||
work and works based on it. |
|||
|
|||
A patent license is "discriminatory" if it does not include within |
|||
the scope of its coverage, prohibits the exercise of, or is |
|||
conditioned on the non-exercise of one or more of the rights that are |
|||
specifically granted under this License. You may not convey a covered |
|||
work if you are a party to an arrangement with a third party that is |
|||
in the business of distributing software, under which you make payment |
|||
to the third party based on the extent of your activity of conveying |
|||
the work, and under which the third party grants, to any of the |
|||
parties who would receive the covered work from you, a discriminatory |
|||
patent license (a) in connection with copies of the covered work |
|||
conveyed by you (or copies made from those copies), or (b) primarily |
|||
for and in connection with specific products or compilations that |
|||
contain the covered work, unless you entered into that arrangement, |
|||
or that patent license was granted, prior to 28 March 2007. |
|||
|
|||
Nothing in this License shall be construed as excluding or limiting |
|||
any implied license or other defenses to infringement that may |
|||
otherwise be available to you under applicable patent law. |
|||
|
|||
12. No Surrender of Others' Freedom. |
|||
|
|||
If conditions are imposed on you (whether by court order, agreement or |
|||
otherwise) that contradict the conditions of this License, they do not |
|||
excuse you from the conditions of this License. If you cannot convey a |
|||
covered work so as to satisfy simultaneously your obligations under this |
|||
License and any other pertinent obligations, then as a consequence you may |
|||
not convey it at all. For example, if you agree to terms that obligate you |
|||
to collect a royalty for further conveying from those to whom you convey |
|||
the Program, the only way you could satisfy both those terms and this |
|||
License would be to refrain entirely from conveying the Program. |
|||
|
|||
13. Use with the GNU Affero General Public License. |
|||
|
|||
Notwithstanding any other provision of this License, you have |
|||
permission to link or combine any covered work with a work licensed |
|||
under version 3 of the GNU Affero General Public License into a single |
|||
combined work, and to convey the resulting work. The terms of this |
|||
License will continue to apply to the part which is the covered work, |
|||
but the special requirements of the GNU Affero General Public License, |
|||
section 13, concerning interaction through a network will apply to the |
|||
combination as such. |
|||
|
|||
14. Revised Versions of this License. |
|||
|
|||
The Free Software Foundation may publish revised and/or new versions of |
|||
the GNU General Public License from time to time. Such new versions will |
|||
be similar in spirit to the present version, but may differ in detail to |
|||
address new problems or concerns. |
|||
|
|||
Each version is given a distinguishing version number. If the |
|||
Program specifies that a certain numbered version of the GNU General |
|||
Public License "or any later version" applies to it, you have the |
|||
option of following the terms and conditions either of that numbered |
|||
version or of any later version published by the Free Software |
|||
Foundation. If the Program does not specify a version number of the |
|||
GNU General Public License, you may choose any version ever published |
|||
by the Free Software Foundation. |
|||
|
|||
If the Program specifies that a proxy can decide which future |
|||
versions of the GNU General Public License can be used, that proxy's |
|||
public statement of acceptance of a version permanently authorizes you |
|||
to choose that version for the Program. |
|||
|
|||
Later license versions may give you additional or different |
|||
permissions. However, no additional obligations are imposed on any |
|||
author or copyright holder as a result of your choosing to follow a |
|||
later version. |
|||
|
|||
15. Disclaimer of Warranty. |
|||
|
|||
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY |
|||
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT |
|||
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY |
|||
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, |
|||
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
|||
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM |
|||
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF |
|||
ALL NECESSARY SERVICING, REPAIR OR CORRECTION. |
|||
|
|||
16. Limitation of Liability. |
|||
|
|||
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING |
|||
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS |
|||
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY |
|||
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE |
|||
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF |
|||
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD |
|||
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), |
|||
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF |
|||
SUCH DAMAGES. |
|||
|
|||
17. Interpretation of Sections 15 and 16. |
|||
|
|||
If the disclaimer of warranty and limitation of liability provided |
|||
above cannot be given local legal effect according to their terms, |
|||
reviewing courts shall apply local law that most closely approximates |
|||
an absolute waiver of all civil liability in connection with the |
|||
Program, unless a warranty or assumption of liability accompanies a |
|||
copy of the Program in return for a fee. |
|||
|
|||
END OF TERMS AND CONDITIONS |
|||
|
|||
How to Apply These Terms to Your New Programs |
|||
|
|||
If you develop a new program, and you want it to be of the greatest |
|||
possible use to the public, the best way to achieve this is to make it |
|||
free software which everyone can redistribute and change under these terms. |
|||
|
|||
To do so, attach the following notices to the program. It is safest |
|||
to attach them to the start of each source file to most effectively |
|||
state the exclusion of warranty; and each file should have at least |
|||
the "copyright" line and a pointer to where the full notice is found. |
|||
|
|||
<one line to give the program's name and a brief idea of what it does.> |
|||
Copyright (C) <year> <name of author> |
|||
|
|||
This program is free software: you can redistribute it and/or modify |
|||
it under the terms of the GNU General Public License as published by |
|||
the Free Software Foundation, either version 3 of the License, or |
|||
(at your option) any later version. |
|||
|
|||
This program is distributed in the hope that it will be useful, |
|||
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|||
GNU General Public License for more details. |
|||
|
|||
You should have received a copy of the GNU General Public License |
|||
along with this program. If not, see <http://www.gnu.org/licenses/>. |
|||
|
|||
Also add information on how to contact you by electronic and paper mail. |
|||
|
|||
If the program does terminal interaction, make it output a short |
|||
notice like this when it starts in an interactive mode: |
|||
|
|||
<program> Copyright (C) <year> <name of author> |
|||
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. |
|||
This is free software, and you are welcome to redistribute it |
|||
under certain conditions; type `show c' for details. |
|||
|
|||
The hypothetical commands `show w' and `show c' should show the appropriate |
|||
parts of the General Public License. Of course, your program's commands |
|||
might be different; for a GUI interface, you would use an "about box". |
|||
|
|||
You should also get your employer (if you work as a programmer) or school, |
|||
if any, to sign a "copyright disclaimer" for the program, if necessary. |
|||
For more information on this, and how to apply and follow the GNU GPL, see |
|||
<http://www.gnu.org/licenses/>. |
|||
|
|||
The GNU General Public License does not permit incorporating your program |
|||
into proprietary programs. If your program is a subroutine library, you |
|||
may consider it more useful to permit linking proprietary applications with |
|||
the library. If this is what you want to do, use the GNU Lesser General |
|||
Public License instead of this License. But first, please read |
|||
<http://www.gnu.org/philosophy/why-not-lgpl.html>. |
@ -0,0 +1,17 @@ |
|||
gong.so: gong.c |
|||
gcc \
|
|||
-std=c99 \
|
|||
-pedantic \
|
|||
-Wall \
|
|||
-Wno-unused-variable \
|
|||
-s \
|
|||
gong.c \
|
|||
-Ilibretro-common/include/ \
|
|||
-shared \
|
|||
-fPIC \
|
|||
-Wl,--no-undefined \
|
|||
-lm \
|
|||
-o gong.so |
|||
|
|||
clean: |
|||
rm -f gong.so |
@ -0,0 +1,939 @@ |
|||
/* RetroArch - A frontend for libretro.
|
|||
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen |
|||
* Copyright (C) 2011-2017 - Daniel De Matteis |
|||
* Copyright (C) 2016-2019 - Brad Parker |
|||
* |
|||
* RetroArch is free software: you can redistribute it and/or modify it under the terms |
|||
* of the GNU General Public License as published by the Free Software Found- |
|||
* ation, either version 3 of the License, or (at your option) any later version. |
|||
* |
|||
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; |
|||
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
|||
* PURPOSE. See the GNU General Public License for more details. |
|||
* |
|||
* You should have received a copy of the GNU General Public License along with RetroArch. |
|||
* If not, see <http://www.gnu.org/licenses/>.
|
|||
*/ |
|||
|
|||
/* Libretro port by Brad Parker,
|
|||
Original source code by Dan Zaidan: https://danzaidan.itch.io/
|
|||
Original license: |
|||
"You can do whatever you want with the code, but I am providing it as is without any warranty whatsoever." |
|||
*/ |
|||
|
|||
#include <stdlib.h> |
|||
#include <string.h> |
|||
#include <libretro.h> |
|||
#include <retro_math.h> |
|||
#include <retro_inline.h> |
|||
#include <retro_endianness.h> |
|||
|
|||
#ifdef RARCH_INTERNAL |
|||
#include "internal_cores.h" |
|||
#define GONG_CORE_PREFIX(s) libretro_gong_##s |
|||
#else |
|||
#define GONG_CORE_PREFIX(s) s |
|||
#endif |
|||
|
|||
#define WIDTH 356 |
|||
#define HEIGHT 200 |
|||
#define MAX_PLAYERS 2 |
|||
#define STATE_SIZE 4096 /* can be anything as long as it's large enough to hold everything */ |
|||
|
|||
static retro_log_printf_t GONG_CORE_PREFIX(log_cb); |
|||
static retro_video_refresh_t GONG_CORE_PREFIX(video_cb); |
|||
static retro_input_poll_t GONG_CORE_PREFIX(input_poll_cb); |
|||
static retro_input_state_t GONG_CORE_PREFIX(input_state_cb); |
|||
static retro_audio_sample_t GONG_CORE_PREFIX(audio_cb); |
|||
static retro_audio_sample_batch_t GONG_CORE_PREFIX(audio_batch_cb); |
|||
static retro_environment_t GONG_CORE_PREFIX(environ_cb); |
|||
|
|||
static const char *GONG_CORE_PREFIX(valid_extensions) = "gong"; |
|||
|
|||
static unsigned char *video_buf = NULL; |
|||
|
|||
enum |
|||
{ |
|||
B_MOVE_UP, |
|||
B_MOVE_DOWN, |
|||
B_SPEED_UP, |
|||
B_COUNT /* This should always be in the bottom */ |
|||
}; |
|||
|
|||
/* any changes here must be handled in serialization code too */ |
|||
typedef struct |
|||
{ |
|||
union { float f; unsigned u; } py; |
|||
union { float f; unsigned u; } dpy; |
|||
} Player; |
|||
|
|||
/* any changes here must be handled in serialization code too */ |
|||
typedef struct |
|||
{ |
|||
int half_transition_count; |
|||
bool ended_down; |
|||
} Game_Button_State; |
|||
|
|||
/* any changes here must be handled in serialization code too */ |
|||
typedef struct |
|||
{ |
|||
Game_Button_State buttons[B_COUNT]; |
|||
float last_dt; /* not in savestate */ |
|||
} Game_Input; |
|||
|
|||
typedef struct |
|||
{ |
|||
uint16_t input; |
|||
uint16_t not_input; |
|||
uint16_t realinput; |
|||
int16_t analogYLeft; |
|||
int16_t analogYRight; |
|||
} retro_inputs; |
|||
|
|||
/* any changes here must be handled in serialization code too */ |
|||
typedef struct |
|||
{ |
|||
unsigned version; |
|||
unsigned player1_score; |
|||
unsigned player2_score; |
|||
union { float f; unsigned u; } player2_speed; |
|||
union { float f; unsigned u; } ball_px; |
|||
union { float f; unsigned u; } ball_py; |
|||
union { float f; unsigned u; } ball_dpx; |
|||
union { float f; unsigned u; } ball_dpy; |
|||
union { float f; unsigned u; } ball_speed; |
|||
union { float f; unsigned u; } current_play_points; |
|||
float refresh; /* not in savestate */ |
|||
bool is_initialized; |
|||
bool player2_human; |
|||
uint16_t previnput[MAX_PLAYERS]; |
|||
Game_Input g_input[MAX_PLAYERS]; |
|||
Player player[MAX_PLAYERS]; |
|||
} State; |
|||
|
|||
typedef struct |
|||
{ |
|||
/* Pixels are always 32-bit wide, memory order XX BB GG RR */ |
|||
int width; |
|||
int height; |
|||
int pitch; |
|||
void *memory; |
|||
} Game_Offscreen_Buffer; |
|||
|
|||
static State *g_state = NULL; |
|||
static Game_Offscreen_Buffer game_buffer = {0}; |
|||
static void game_update_and_render(Game_Input *input, Game_Offscreen_Buffer *draw_buffer); |
|||
|
|||
static const struct retro_controller_description pads1[] = { |
|||
{ "Joypad", RETRO_DEVICE_JOYPAD }, |
|||
{ NULL, 0 }, |
|||
}; |
|||
|
|||
static const struct retro_controller_description pads2[] = { |
|||
{ "Joypad", RETRO_DEVICE_JOYPAD }, |
|||
{ NULL, 0 }, |
|||
}; |
|||
|
|||
static const struct retro_controller_info ports[] = { |
|||
{ pads1, 1 }, |
|||
{ pads2, 1 }, |
|||
{ 0 }, |
|||
}; |
|||
|
|||
struct retro_input_descriptor desc[] = { |
|||
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, |
|||
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, |
|||
{ 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" }, |
|||
{ 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" }, |
|||
|
|||
{ 0 }, |
|||
}; |
|||
|
|||
static void check_variables(void) |
|||
{ |
|||
struct retro_variable var = {0}; |
|||
|
|||
var.key = "gong_refresh"; |
|||
if (GONG_CORE_PREFIX(environ_cb)(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) |
|||
{ |
|||
int i; |
|||
g_state->refresh = atoi(var.value); |
|||
|
|||
for (i = 0; i < (int)(sizeof(g_state->g_input) / sizeof(g_state->g_input[0])); i++) |
|||
g_state->g_input[i].last_dt = 1.0f / g_state->refresh; |
|||
} |
|||
|
|||
var.key = "gong_player2"; |
|||
if (GONG_CORE_PREFIX(environ_cb)(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) |
|||
{ |
|||
if (!strncmp(var.value, "CPU", 3)) |
|||
g_state->player2_human = false; |
|||
else if (!strncmp(var.value, "Human", 5)) |
|||
g_state->player2_human = true; |
|||
} |
|||
} |
|||
|
|||
static void save_state(void *data, size_t size) |
|||
{ |
|||
int i = 0; |
|||
int j = 0; |
|||
unsigned char *buf = (unsigned char*)data; |
|||
unsigned version = swap_if_little32(g_state->version); |
|||
unsigned player1_score = swap_if_little32(g_state->player1_score); |
|||
unsigned player2_score = swap_if_little32(g_state->player2_score); |
|||
unsigned player2_speed = swap_if_little32(g_state->player2_speed.u); |
|||
unsigned ball_px = swap_if_little32(g_state->ball_px.u); |
|||
unsigned ball_py = swap_if_little32(g_state->ball_py.u); |
|||
unsigned ball_dpx = swap_if_little32(g_state->ball_dpx.u); |
|||
unsigned ball_dpy = swap_if_little32(g_state->ball_dpy.u); |
|||
unsigned ball_speed = swap_if_little32(g_state->ball_speed.u); |
|||
unsigned current_play_points = swap_if_little32(g_state->current_play_points.u); |
|||
unsigned is_initialized = g_state->is_initialized; |
|||
unsigned player2_human = g_state->player2_human; |
|||
|
|||
(void)size; |
|||
|
|||
memcpy(buf, &version, sizeof(unsigned)); |
|||
buf += sizeof(unsigned); |
|||
|
|||
memcpy(buf, &player1_score, sizeof(unsigned)); |
|||
buf += sizeof(unsigned); |
|||
|
|||
memcpy(buf, &player2_score, sizeof(unsigned)); |
|||
buf += sizeof(unsigned); |
|||
|
|||
memcpy(buf, &player2_speed, sizeof(unsigned)); |
|||
buf += sizeof(unsigned); |
|||
|
|||
memcpy(buf, &ball_px, sizeof(unsigned)); |
|||
buf += sizeof(unsigned); |
|||
|
|||
memcpy(buf, &ball_py, sizeof(unsigned)); |
|||
buf += sizeof(unsigned); |
|||
|
|||
memcpy(buf, &ball_dpx, sizeof(unsigned)); |
|||
buf += sizeof(unsigned); |
|||
|
|||
memcpy(buf, &ball_dpy, sizeof(unsigned)); |
|||
buf += sizeof(unsigned); |
|||
|
|||
memcpy(buf, &ball_speed, sizeof(unsigned)); |
|||
buf += sizeof(unsigned); |
|||
|
|||
memcpy(buf, ¤t_play_points, sizeof(unsigned)); |
|||
buf += sizeof(unsigned); |
|||
|
|||
memcpy(buf, &is_initialized, sizeof(unsigned)); |
|||
buf += sizeof(unsigned); |
|||
|
|||
memcpy(buf, &player2_human, sizeof(unsigned)); |
|||
buf += sizeof(unsigned); |
|||
|
|||
/* previnput */ |
|||
for (i = 0; i < MAX_PLAYERS; i++) |
|||
{ |
|||
uint16_t previnput = swap_if_little16(g_state->previnput[i]); |
|||
memcpy(buf, &previnput, sizeof(uint16_t)); |
|||
buf += sizeof(uint16_t); |
|||
} |
|||
|
|||
/* g_input */ |
|||
for (i = 0; i < MAX_PLAYERS; i++) |
|||
{ |
|||
for (j = 0; j < B_COUNT; j++) |
|||
{ |
|||
int half_transition_count = swap_if_little32(g_state->g_input[i].buttons[j].half_transition_count); |
|||
unsigned ended_down = g_state->g_input[i].buttons[j].ended_down; |
|||
|
|||
memcpy(buf, &half_transition_count, sizeof(int)); |
|||
buf += sizeof(int); |
|||
|
|||
memcpy(buf, &ended_down, sizeof(unsigned)); |
|||
buf += sizeof(unsigned); |
|||
} |
|||
} |
|||
|
|||
/* player */ |
|||
for (i = 0; i < MAX_PLAYERS; i++) |
|||
{ |
|||
unsigned py = swap_if_little32((unsigned)g_state->player[i].py.u); |
|||
|
|||
memcpy(buf, &py, sizeof(unsigned)); |
|||
buf += sizeof(uint16_t); |
|||
} |
|||
} |
|||
|
|||
static void load_state(const void *data, size_t size) |
|||
{ |
|||
int i = 0; |
|||
int j = 0; |
|||
const unsigned char *buf = (const unsigned char*)data; |
|||
|
|||
(void)size; |
|||
|
|||
memset(g_state, 0, sizeof(*g_state)); |
|||
|
|||
g_state->version = swap_if_little32(*(unsigned*)buf); |
|||
buf += sizeof(unsigned); |
|||
|
|||
g_state->player1_score = swap_if_little32(*(unsigned*)buf); |
|||
buf += sizeof(unsigned); |
|||
|
|||
g_state->player2_score = swap_if_little32(*(unsigned*)buf); |
|||
buf += sizeof(unsigned); |
|||
|
|||
g_state->player2_speed.u = swap_if_little32(*(unsigned*)buf); |
|||
buf += sizeof(unsigned); |
|||
|
|||
g_state->ball_px.u = swap_if_little32(*(unsigned*)buf); |
|||
buf += sizeof(unsigned); |
|||
|
|||
g_state->ball_py.u = swap_if_little32(*(unsigned*)buf); |
|||
buf += sizeof(unsigned); |
|||
|
|||
g_state->ball_dpx.u = swap_if_little32(*(unsigned*)buf); |
|||
buf += sizeof(unsigned); |
|||
|
|||
g_state->ball_dpy.u = swap_if_little32(*(unsigned*)buf); |
|||
buf += sizeof(unsigned); |
|||
|
|||
g_state->ball_speed.u = swap_if_little32(*(unsigned*)buf); |
|||
buf += sizeof(unsigned); |
|||
|
|||
g_state->current_play_points.u = swap_if_little32(*(unsigned*)buf); |
|||
buf += sizeof(unsigned); |
|||
|
|||
g_state->is_initialized = (bool)swap_if_little32(*(unsigned*)buf); |
|||
buf += sizeof(unsigned); |
|||
|
|||
g_state->player2_human = (bool)swap_if_little32(*(unsigned*)buf); |
|||
buf += sizeof(unsigned); |
|||
|
|||
/* previnput */ |
|||
for (i = 0; i < MAX_PLAYERS; i++) |
|||
{ |
|||
uint16_t previnput = swap_if_little16(*(uint16_t*)buf); |
|||
g_state->previnput[i] = previnput; |
|||
buf += sizeof(uint16_t); |
|||
} |
|||
|
|||
/* g_input */ |
|||
for (i = 0; i < MAX_PLAYERS; i++) |
|||
{ |
|||
for (j = 0; j < B_COUNT; j++) |
|||
{ |
|||
int half_transition_count; |
|||
bool ended_down; |
|||
|
|||
half_transition_count = (int)swap_if_little32(*(unsigned*)buf); |
|||
|
|||
g_state->g_input[i].buttons[j].half_transition_count = half_transition_count; |
|||
buf += sizeof(int); |
|||
|
|||
ended_down = (bool)swap_if_little32(*(unsigned*)buf); |
|||
|
|||
g_state->g_input[i].buttons[j].ended_down = ended_down; |
|||
buf += sizeof(unsigned); |
|||
} |
|||
} |
|||
|
|||
/* player */ |
|||
for (i = 0; i < MAX_PLAYERS; i++) |
|||
{ |
|||
g_state->player[i].py.u = swap_if_little32(*(unsigned*)buf); |
|||
buf += sizeof(unsigned); |
|||
|
|||
g_state->player[i].dpy.u = swap_if_little32(*(unsigned*)buf); |
|||
buf += sizeof(unsigned); |
|||
} |
|||
|
|||
check_variables(); |
|||
} |
|||
|
|||
static INLINE bool is_down(Game_Button_State state) |
|||
{ |
|||
return state.ended_down; |
|||
} |
|||
|
|||
void GONG_CORE_PREFIX(retro_get_system_info)(struct retro_system_info *info) |
|||
{ |
|||
info->library_name = "gong"; |
|||
info->library_version = "v1.0"; |
|||
info->need_fullpath = false; |
|||
info->block_extract = false; |
|||
info->valid_extensions = GONG_CORE_PREFIX(valid_extensions); |
|||
} |
|||
|
|||
void GONG_CORE_PREFIX(retro_get_system_av_info)(struct retro_system_av_info *info) |
|||
{ |
|||
info->geometry.base_width = WIDTH; |
|||
info->geometry.base_height = HEIGHT; |
|||
info->geometry.max_width = WIDTH; |
|||
info->geometry.max_height = HEIGHT; |
|||
info->geometry.aspect_ratio = 16.0f / 9.0f; |
|||
info->timing.fps = g_state->refresh; |
|||
info->timing.sample_rate = 44100.0; |
|||
} |
|||
|
|||
void GONG_CORE_PREFIX(retro_init)(void) |
|||
{ |
|||
struct retro_log_callback log; |
|||
|
|||
g_state = (State*)calloc(1, sizeof(*g_state)); |
|||
|
|||
if (GONG_CORE_PREFIX(environ_cb)(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &log)) |
|||
GONG_CORE_PREFIX(log_cb) = log.log; |
|||
else |
|||
GONG_CORE_PREFIX(log_cb) = NULL; |
|||
|
|||
video_buf = (unsigned char*)calloc(1, WIDTH * HEIGHT * sizeof(unsigned)); |
|||
|
|||
game_buffer.width = WIDTH; |
|||
game_buffer.height = HEIGHT; |
|||
game_buffer.pitch = WIDTH * sizeof(unsigned); |
|||
game_buffer.memory = video_buf; |
|||
} |
|||
|
|||
void GONG_CORE_PREFIX(retro_deinit)(void) |
|||
{ |
|||
if (video_buf) |
|||
free(video_buf); |
|||
|
|||
video_buf = NULL; |
|||
game_buffer.memory = NULL; |
|||
|
|||
if (g_state) |
|||
free(g_state); |
|||
} |
|||
|
|||
void GONG_CORE_PREFIX(retro_set_environment)(retro_environment_t cb) |
|||
{ |
|||
bool no_content = true; |
|||
|
|||
static const struct retro_variable vars[] = { |
|||
{ "gong_player2", "Player 2; CPU|Human" }, |
|||
{ "gong_refresh", "Video Refresh Rate (restart); 60|70|72|75|100|119|120|140|144" }, |
|||
{ NULL, NULL }, |
|||
}; |
|||
|
|||
GONG_CORE_PREFIX(environ_cb) = cb; |
|||
|
|||
cb(RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME, &no_content); |
|||
cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars); |
|||
cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports); |
|||
} |
|||
|
|||
void GONG_CORE_PREFIX(retro_set_video_refresh)(retro_video_refresh_t cb) |
|||
{ |
|||
GONG_CORE_PREFIX(video_cb) = cb; |
|||
} |
|||
|
|||
void GONG_CORE_PREFIX(retro_set_audio_sample)(retro_audio_sample_t cb) |
|||
{ |
|||
GONG_CORE_PREFIX(audio_cb) = cb; |
|||
} |
|||
|
|||
void GONG_CORE_PREFIX(retro_set_audio_sample_batch)(retro_audio_sample_batch_t cb) |
|||
{ |
|||
GONG_CORE_PREFIX(audio_batch_cb) = cb; |
|||
} |
|||
|
|||
void GONG_CORE_PREFIX(retro_set_input_poll)(retro_input_poll_t cb) |
|||
{ |
|||
GONG_CORE_PREFIX(input_poll_cb) = cb; |
|||
} |
|||
|
|||
void GONG_CORE_PREFIX(retro_set_input_state)(retro_input_state_t cb) |
|||
{ |
|||
GONG_CORE_PREFIX(input_state_cb) = cb; |
|||
} |
|||
|
|||
void GONG_CORE_PREFIX(retro_set_controller_port_device)(unsigned a, unsigned b) |
|||
{ |
|||
} |
|||
|
|||
void GONG_CORE_PREFIX(retro_reset)(void) |
|||
{ |
|||
memset(g_state, 0, sizeof(*g_state)); |
|||
check_variables(); |
|||
} |
|||
|
|||
size_t GONG_CORE_PREFIX(retro_serialize_size)(void) |
|||
{ |
|||
return STATE_SIZE; |
|||
} |
|||
|
|||
bool GONG_CORE_PREFIX(retro_serialize)(void *data, size_t size) |
|||
{ |
|||
if (size != STATE_SIZE) |
|||
return false; |
|||
|
|||
save_state(data, size); |
|||
return true; |
|||
} |
|||
|
|||
bool GONG_CORE_PREFIX(retro_unserialize)(const void *data, size_t size) |
|||
{ |
|||
if (size != STATE_SIZE) |
|||
return false; |
|||
|
|||
load_state(data, size); |
|||
return true; |
|||
} |
|||
|
|||
void GONG_CORE_PREFIX(retro_cheat_reset)(void) |
|||
{ |
|||
} |
|||
|
|||
void GONG_CORE_PREFIX(retro_cheat_set)(unsigned a, bool b, const char * c) |
|||
{ |
|||
} |
|||
|
|||
bool GONG_CORE_PREFIX(retro_load_game)(const struct retro_game_info *info) |
|||
{ |
|||
enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_XRGB8888; |
|||
|
|||
check_variables(); |
|||
|
|||
if (!GONG_CORE_PREFIX(environ_cb)(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) |
|||
{ |
|||
if (GONG_CORE_PREFIX(log_cb)) |
|||
GONG_CORE_PREFIX(log_cb)(RETRO_LOG_INFO, "XRGB8888 is not supported.\n"); |
|||
return false; |
|||
} |
|||
|
|||
return true; |
|||
} |
|||
|
|||
bool GONG_CORE_PREFIX(retro_load_game_special)(unsigned a, const struct retro_game_info *b, size_t c) |
|||
{ |
|||
return false; |
|||
} |
|||
|
|||
void GONG_CORE_PREFIX(retro_unload_game)(void) |
|||
{ |
|||
} |
|||
|
|||
unsigned GONG_CORE_PREFIX(retro_get_region)(void) |
|||
{ |
|||
return RETRO_REGION_NTSC; |
|||
} |
|||
|
|||
void* GONG_CORE_PREFIX(retro_get_memory_data)(unsigned id) |
|||
{ |
|||
return NULL; |
|||
} |
|||
|
|||
size_t GONG_CORE_PREFIX(retro_get_memory_size)(unsigned id) |
|||
{ |
|||
return 0; |
|||
} |
|||
|
|||
static void process_joypad(Game_Button_State *new_state, bool is_down) |
|||
{ |
|||
if (new_state->ended_down != is_down) |
|||
{ |
|||
new_state->ended_down = is_down; |
|||
new_state->half_transition_count += 1; |
|||
} |
|||
} |
|||
|
|||
static bool is_key_up_or_down(int16_t input, int16_t not_input, int key) |
|||
{ |
|||
if (input & (1 << key) || not_input & (1 << key)) |
|||
return true; |
|||
|
|||
return false; |
|||
} |
|||
|
|||
void GONG_CORE_PREFIX(retro_run)(void) |
|||
{ |
|||
int i = 0; |
|||
int port = 0; |
|||
bool updated = false; |
|||
retro_inputs inputs[MAX_PLAYERS] = {{0}}; |
|||
|
|||
if (GONG_CORE_PREFIX(environ_cb)(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated) |
|||
check_variables(); |
|||
|
|||
GONG_CORE_PREFIX(input_poll_cb)(); |
|||
|
|||
for (port = 0; port < MAX_PLAYERS; port++) |
|||
{ |
|||
for (i = 0; i < 16; i++) |
|||
{ |
|||
if (GONG_CORE_PREFIX(input_state_cb)(port, RETRO_DEVICE_JOYPAD, 0, i)) |
|||
{ |
|||
inputs[port].realinput |= 1 << i; |
|||
} |
|||
} |
|||
|
|||
inputs[port].analogYLeft = GONG_CORE_PREFIX(input_state_cb)(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 5000.0f; |
|||
inputs[port].analogYRight = GONG_CORE_PREFIX(input_state_cb)(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 5000.0f; |
|||
|
|||
if (inputs[port].analogYLeft > 0) |
|||
inputs[port].realinput |= (1 << RETRO_DEVICE_ID_JOYPAD_DOWN); |
|||
else if (inputs[port].analogYRight > 0) |
|||
inputs[port].realinput |= (1 << RETRO_DEVICE_ID_JOYPAD_DOWN); |
|||
|
|||
if (inputs[port].analogYLeft < 0) |
|||
inputs[port].realinput |= (1 << RETRO_DEVICE_ID_JOYPAD_UP); |
|||
else if (inputs[port].analogYRight < 0) |
|||
inputs[port].realinput |= (1 << RETRO_DEVICE_ID_JOYPAD_UP); |
|||
|
|||
inputs[port].input = inputs[port].realinput & ~g_state->previnput[port]; |
|||
inputs[port].not_input = g_state->previnput[port] & ~inputs[port].realinput; |
|||
|
|||
if (is_key_up_or_down(inputs[port].input, inputs[port].not_input, RETRO_DEVICE_ID_JOYPAD_UP)) |
|||
process_joypad(&g_state->g_input[port].buttons[B_MOVE_UP], inputs[port].realinput & (1 << RETRO_DEVICE_ID_JOYPAD_UP)); |
|||
else if (is_key_up_or_down(inputs[port].input, inputs[port].not_input, RETRO_DEVICE_ID_JOYPAD_DOWN)) |
|||
process_joypad(&g_state->g_input[port].buttons[B_MOVE_DOWN], inputs[port].realinput & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN)); |
|||
else if (is_key_up_or_down(inputs[port].input, inputs[port].not_input, RETRO_DEVICE_ID_JOYPAD_DOWN)) |
|||
process_joypad(&g_state->g_input[port].buttons[B_MOVE_DOWN], inputs[port].realinput & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN)); |
|||
|
|||
if (is_key_up_or_down(inputs[port].input, inputs[port].not_input, RETRO_DEVICE_ID_JOYPAD_A)) |
|||
process_joypad(&g_state->g_input[port].buttons[B_SPEED_UP], inputs[port].realinput & (1 << RETRO_DEVICE_ID_JOYPAD_A)); |
|||
else if (is_key_up_or_down(inputs[port].input, inputs[port].not_input, RETRO_DEVICE_ID_JOYPAD_B)) |
|||
process_joypad(&g_state->g_input[port].buttons[B_SPEED_UP], inputs[port].realinput & (1 << RETRO_DEVICE_ID_JOYPAD_B)); |
|||
else if (is_key_up_or_down(inputs[port].input, inputs[port].not_input, RETRO_DEVICE_ID_JOYPAD_X)) |
|||
process_joypad(&g_state->g_input[port].buttons[B_SPEED_UP], inputs[port].realinput & (1 << RETRO_DEVICE_ID_JOYPAD_X)); |
|||
else if (is_key_up_or_down(inputs[port].input, inputs[port].not_input, RETRO_DEVICE_ID_JOYPAD_Y)) |
|||
process_joypad(&g_state->g_input[port].buttons[B_SPEED_UP], inputs[port].realinput & (1 << RETRO_DEVICE_ID_JOYPAD_Y)); |
|||
|
|||
g_state->previnput[port] = inputs[port].realinput; |
|||
} |
|||
|
|||
game_update_and_render(g_state->g_input, &game_buffer); |
|||
|
|||
GONG_CORE_PREFIX(video_cb)(video_buf, WIDTH, HEIGHT, WIDTH * sizeof(uint32_t)); |
|||
} |
|||
|
|||
unsigned GONG_CORE_PREFIX(retro_api_version)(void) |
|||
{ |
|||
return RETRO_API_VERSION; |
|||
} |
|||
|
|||
static void draw_rect_in_pixels(Game_Offscreen_Buffer *buffer, unsigned color, int min_x, int min_y, int max_x, int max_y) |
|||
{ |
|||
int y; |
|||
|
|||
min_x = MAX(min_x, 0); |
|||
min_y = MAX(min_y, 0); |
|||
max_x = MIN(max_x, buffer->width); |
|||
max_y = MIN(max_y, buffer->height); |
|||
|
|||
for (y = min_y; y < max_y; y++) |
|||
{ |
|||
int x; |
|||
|
|||
for (x = min_x; x < max_x; x++) |
|||
{ |
|||
unsigned *pixel = (unsigned*)((unsigned char*)buffer->memory + ((buffer->width * (buffer->height - y - 1) + x) * sizeof(unsigned))); |
|||
|
|||
*pixel++ = color; |
|||
} |
|||
} |
|||
} |
|||
|
|||
static void clear(Game_Offscreen_Buffer *buffer, unsigned color) |
|||
{ |
|||
draw_rect_in_pixels(buffer, color, 0, 0, buffer->width, buffer->height); |
|||
} |
|||
|
|||
static void draw_rect(Game_Offscreen_Buffer *buffer, unsigned color, float x, float y, float half_size_x, float half_size_y) |
|||
{ |
|||
/* @Hardcoded to always keep the playing field area on screen, no matter the aspect ratio */ |
|||
float scale = .01f; |
|||
float relative_axis = (float)buffer->height; |
|||
int min_x, min_y, max_x, max_y; |
|||
|
|||
if ((float)buffer->width / (float)buffer->height < 1.77f) |
|||
{ |
|||
relative_axis = (float)buffer->width; |
|||
scale = .0056f; |
|||
} |
|||
|
|||
half_size_x *= relative_axis * scale; |
|||
half_size_y *= relative_axis * scale; |
|||
x *= relative_axis * scale; |
|||
y *= relative_axis * scale; |
|||
|
|||
x = x + buffer->width / 2; |
|||
y = y + buffer->height / 2; |
|||
|
|||
min_x = (unsigned)(x - half_size_x); |
|||
min_y = (unsigned)(y - half_size_y); |
|||
max_x = (unsigned)(x + half_size_x); |
|||
max_y = (unsigned)(y + half_size_y); |
|||
|
|||
draw_rect_in_pixels(buffer, color, min_x, min_y, max_x, max_y); |
|||
} |
|||
|
|||
static void draw_number(Game_Offscreen_Buffer *buffer, unsigned number, unsigned color, float x, float y) |
|||
{ |
|||
float at_x = x; |
|||
|
|||
do { |
|||
unsigned alg = number % 10; |
|||
|
|||
number /= 10; |
|||
|
|||
switch (alg) |
|||
{ |
|||
case 0: |
|||
{ |
|||
draw_rect(buffer, color, at_x - 2.f, y, .5f, 4.f); |
|||
draw_rect(buffer, color, at_x + 2.f, y, .5f, 4.f); |
|||
draw_rect(buffer, color, at_x, y + 4.f, 2.5f, .5f); |
|||
draw_rect(buffer, color, at_x, y - 4.f, 2.5f, .5f); |
|||
break; |
|||
} |
|||
|
|||
case 1: |
|||
{ |
|||
draw_rect(buffer, color, at_x + 2.f, y, .5f, 4.5f); |
|||
break; |
|||
} |
|||
|
|||
case 2: |
|||
{ |
|||
draw_rect(buffer, color, at_x - 2.f, y - 2.f, .5f, 2.f); |
|||
draw_rect(buffer, color, at_x + 2.f, y + 2.f, .5f, 2.f); |
|||
draw_rect(buffer, color, at_x, y + 4.f, 2.5f, .5f); |
|||
draw_rect(buffer, color, at_x, y, 2.5f, .5f); |
|||
draw_rect(buffer, color, at_x, y - 4.f, 2.5f, .5f); |
|||
break; |
|||
} |
|||
|
|||
case 3: |
|||
{ |
|||
draw_rect(buffer, color, at_x + 2.f, y, .5f, 4.f); |
|||
draw_rect(buffer, color, at_x, y + 4.f, 2.5f, .5f); |
|||
draw_rect(buffer, color, at_x, y, 2.5f, .5f); |
|||
draw_rect(buffer, color, at_x, y - 4.f, 2.5f, .5f); |
|||
break; |
|||
}; |
|||
|
|||
case 4: |
|||
{ |
|||
draw_rect(buffer, color, at_x, y, 2.5f, .5f); |
|||
draw_rect(buffer, color, at_x + 2.f, y, .5f, 4.5f); |
|||
draw_rect(buffer, color, at_x - 2.f, y+2.5f, .5f, 2.f); |
|||
break; |
|||
}; |
|||
|
|||
case 5: |
|||
{ |
|||
draw_rect(buffer, color, at_x + 2.f, y-2.f, .5f, 2.f); |
|||
draw_rect(buffer, color, at_x - 2.f, y+2.f, .5f, 2.f); |
|||
draw_rect(buffer, color, at_x, y + 4.f, 2.5f, .5f); |
|||
draw_rect(buffer, color, at_x, y, 2.5f, .5f); |
|||
draw_rect(buffer, color, at_x, y - 4.f, 2.5f, .5f); |
|||
break; |
|||
}; |
|||
|
|||
case 6: |
|||
{ |
|||
draw_rect(buffer, color, at_x + 2.f, y-2.f, .5f, 2.f); |
|||
draw_rect(buffer, color, at_x - 2.f, y, .5f, 4.f); |
|||
draw_rect(buffer, color, at_x, y + 4.f, 2.5f, .5f); |
|||
draw_rect(buffer, color, at_x, y, 2.5f, .5f); |
|||
draw_rect(buffer, color, at_x, y - 4.f, 2.5f, .5f); |
|||
break; |
|||
}; |
|||
|
|||
case 7: |
|||
{ |
|||
draw_rect(buffer, color, at_x + 2.f, y, .5f, 4.5f); |
|||
draw_rect(buffer, color, at_x, y + 4.f, 2.5f, .5f); |
|||
break; |
|||
}; |
|||
|
|||
case 8: |
|||
{ |
|||
draw_rect(buffer, color, at_x - 2.f, y, .5f, 4.f); |
|||
draw_rect(buffer, color, at_x + 2.f, y, .5f, 4.f); |
|||
draw_rect(buffer, color, at_x, y + 4.f, 2.5f, .5f); |
|||
draw_rect(buffer, color, at_x, y - 4.f, 2.5f, .5f); |
|||
draw_rect(buffer, color, at_x, y, 2.5f, .5f); |
|||
break; |
|||
}; |
|||
|
|||
case 9: |
|||
{ |
|||
draw_rect(buffer, color, at_x - 2.f, y + 2.f, .5f, 2.f); |
|||
draw_rect(buffer, color, at_x + 2.f, y, .5f, 4.f); |
|||
draw_rect(buffer, color, at_x, y + 4.f, 2.5f, .5f); |
|||
draw_rect(buffer, color, at_x, y, 2.5f, .5f); |
|||
draw_rect(buffer, color, at_x, y - 4.f, 2.5f, .5f); |
|||
break; |
|||
}; |
|||
|
|||
default: |
|||
break; |
|||
} |
|||
|
|||
at_x -= 7.f; |
|||
} while(number > 0); |
|||
} |
|||
|
|||
static void game_update_and_render(Game_Input *input, Game_Offscreen_Buffer *draw_buffer) |
|||
{ |
|||
const float initial_ball_speed = 80.f; |
|||
float playing_field_x = 85.f; |
|||
float playing_field_y = 48.f; |
|||
float player_size_x = 2.5f; |
|||
float player_size_y = 10.f; |
|||
int i; |
|||
|
|||
if (!g_state->is_initialized) |
|||
{ |
|||
g_state->is_initialized = 1; |
|||
g_state->ball_px.f = 0; |
|||
g_state->ball_py.f = 0; |
|||
g_state->ball_dpx.f = initial_ball_speed; |
|||
g_state->ball_dpy.f = 0; |
|||
g_state->current_play_points.f = 10.f; |
|||
g_state->player2_speed.f = 80.f; |
|||
} |
|||
|
|||
for (i = 0; i < MAX_PLAYERS; i++) |
|||
{ |
|||
float speed = 80.f; |
|||
|
|||
if (i == 1 && !g_state->player2_human) |
|||
break; |
|||
|
|||
g_state->player[i].dpy.f = 0.f; |
|||
|
|||
if (is_down(input[i].buttons[B_SPEED_UP])) |
|||
speed = 150.f; |
|||
|
|||
if (is_down(input[i].buttons[B_MOVE_UP])) |
|||
{ |
|||
if (g_state->player[i].py.f < playing_field_y - player_size_y) |
|||
{ |
|||
g_state->player[i].dpy.f = speed; |
|||
} |
|||
|
|||
if (g_state->player[i].py.f < -playing_field_y + player_size_y) |
|||
{ |
|||
g_state->player[i].py.f = -playing_field_y + player_size_y; |
|||
g_state->player[i].dpy.f = 0.f; |
|||
} |
|||
} |
|||
if (is_down(input[i].buttons[B_MOVE_DOWN])) |
|||
{ |
|||
if (g_state->player[i].py.f > -playing_field_y + player_size_y) |
|||
{ |
|||
g_state->player[i].dpy.f = -speed; |
|||
} |
|||
|
|||
if (g_state->player[i].py.f < -playing_field_y + player_size_y) |
|||
{ |
|||
g_state->player[i].py.f = -playing_field_y + player_size_y; |
|||
g_state->player[i].dpy.f = 0.f; |
|||
} |
|||
} |
|||
|
|||
g_state->player[i].py.f += g_state->player[i].dpy.f * input->last_dt; |
|||
} |
|||
|
|||
if (!g_state->player2_human) |
|||
{ |
|||
g_state->player[1].dpy.f = (g_state->ball_py.f - g_state->player[1].py.f) * 100.f; |
|||
g_state->player[1].dpy.f = MIN(g_state->player[1].dpy.f, g_state->player2_speed.f); |
|||
g_state->player[1].dpy.f = MAX(g_state->player[1].dpy.f, -g_state->player2_speed.f); |
|||
g_state->player[1].py.f += g_state->player[1].dpy.f * input->last_dt; |
|||
|
|||
if (g_state->player[1].py.f < -playing_field_y + player_size_y) |
|||
{ |
|||
g_state->player[1].py.f = -playing_field_y + player_size_y; |
|||
g_state->player[1].dpy.f = 0.f; |
|||
} |
|||
|
|||
if (g_state->player[1].py.f > playing_field_y - player_size_y) |
|||
{ |
|||
g_state->player[1].py.f = playing_field_y - player_size_y; |
|||
g_state->player[1].dpy.f = 0.f; |
|||
} |
|||
} |
|||
|
|||
g_state->ball_px.f += g_state->ball_dpx.f * input->last_dt; |
|||
|
|||
if (g_state->ball_dpx.f > 0) |
|||
{ |
|||
g_state->ball_dpx.f += 10.f * input->last_dt; |
|||
} |
|||
else |
|||
{ |
|||
g_state->ball_dpx.f -= 10.f * input->last_dt; |
|||
} |
|||
|
|||
g_state->ball_py.f += g_state->ball_dpy.f * input->last_dt; |
|||
|
|||
if (g_state->ball_py.f > playing_field_y - 1.f) |
|||
{ |
|||
g_state->ball_py.f = playing_field_y - 1.f; |
|||
g_state->ball_dpy.f *= -1.f; |
|||
} |
|||
else if (g_state->ball_py.f < -playing_field_y + 1) |
|||
{ |
|||
g_state->ball_py.f = -playing_field_y + 1.f; |
|||
g_state->ball_dpy.f *= -1; |
|||
} |
|||
|
|||
if (g_state->ball_px.f > 80.f - 2.5f - 1.f) /* @Hardcoded */ |
|||
{ |
|||
if ((g_state->ball_py.f >= (g_state->player[1].py.f - 10.f)) && (g_state->ball_py.f <= (g_state->player[1].py.f + 10.f))) |
|||
{ |
|||
g_state->ball_dpx.f *= -1.f; |
|||
g_state->ball_px.f = 80.f - 2.5f - 1.f; /* @Hardcoded */ |
|||
g_state->ball_dpy.f = (g_state->ball_py.f - g_state->player[1].py.f) + g_state->player[1].dpy.f; |
|||
++g_state->current_play_points.f; |
|||
} |
|||
else if (g_state->ball_px.f >= playing_field_x - 1) |
|||
{ |
|||
g_state->ball_px.f = 0; |
|||
g_state->ball_py.f = 0; |
|||
g_state->ball_dpy.f = 0; |
|||
g_state->ball_dpx.f = -initial_ball_speed; |
|||
g_state->player2_score += (unsigned)g_state->current_play_points.f; |
|||
g_state->current_play_points.f = 10.f; |
|||
} |
|||
} |
|||
else if (g_state->ball_px.f < -80 + 2.5f + 1.f) /* @Hardcoded */ |
|||
{ |
|||
if ((g_state->ball_py.f >= (g_state->player[0].py.f - 10.f)) && (g_state->ball_py.f <= (g_state->player[0].py.f + 10.f))) |
|||
{ |
|||
g_state->ball_dpx.f *= -1.f; |
|||
g_state->ball_px.f = -80 + 2.5f + 1.f; /* @Hardcoded */ |
|||
g_state->ball_dpy.f = (g_state->ball_py.f - g_state->player[0].py.f) + g_state->player[0].dpy.f; |
|||
++g_state->current_play_points.f; |
|||
} |
|||
else if (g_state->ball_px.f <= -playing_field_x + 1) |
|||
{ |
|||
g_state->ball_px.f = 0; |
|||
g_state->ball_py.f = 0; |
|||
g_state->ball_dpy.f = 0; |
|||
g_state->ball_dpx.f = initial_ball_speed; |
|||
g_state->player1_score += (unsigned)g_state->current_play_points.f; |
|||
g_state->current_play_points.f = 10.f; |
|||
|
|||
if (!g_state->player2_human) |
|||
g_state->player2_speed.f += g_state->current_play_points.f * 0.01f; |
|||
} |
|||
} |
|||
|
|||
clear(draw_buffer, 0x021077); |
|||
draw_rect(draw_buffer, 0x000530, 0.f, 0.f, playing_field_x, playing_field_y); |
|||
|
|||
draw_rect(draw_buffer, 0x00ffff, -80.f, g_state->player[0].py.f, player_size_x, player_size_y); |
|||
draw_rect(draw_buffer, 0x00ffff, 80.f, g_state->player[1].py.f, player_size_x, player_size_y); |
|||
|
|||
draw_rect(draw_buffer, 0xffff00, g_state->ball_px.f, g_state->ball_py.f, 1.f, 1.f); |
|||
|
|||
draw_number(draw_buffer, (unsigned)g_state->current_play_points.f, 0xaaaaaa, 0.f, 38.f); |
|||
draw_number(draw_buffer, g_state->player1_score, 0xff6611, 20.f, 38.f); |
|||
draw_number(draw_buffer, g_state->player2_score, 0xff6611, -20.f, 38.f); |
|||
} |
File diff suppressed because it is too large
@ -0,0 +1,579 @@ |
|||
/* Copyright (C) 2010-2020 The RetroArch team
|
|||
* |
|||
* --------------------------------------------------------------------------------------- |
|||
* The following license statement only applies to this file (retro_endianness.h). |
|||
* --------------------------------------------------------------------------------------- |
|||
* |
|||
* Permission is hereby granted, free of charge, |
|||
* to any person obtaining a copy of this software and associated documentation files (the "Software"), |
|||
* to deal in the Software without restriction, including without limitation the rights to |
|||
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, |
|||
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
|||
* |
|||
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. |
|||
* |
|||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
|||
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
|||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
|||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
|||
*/ |
|||
|
|||
#ifndef __LIBRETRO_SDK_ENDIANNESS_H |
|||
#define __LIBRETRO_SDK_ENDIANNESS_H |
|||
|
|||
#include <retro_inline.h> |
|||
#include <stdint.h> |
|||
#include <stdlib.h> |
|||
|
|||
#if defined(_MSC_VER) && _MSC_VER > 1200 |
|||
#define SWAP16 _byteswap_ushort |
|||
#define SWAP32 _byteswap_ulong |
|||
#else |
|||
static INLINE uint16_t SWAP16(uint16_t x) |
|||
{ |
|||
return ((x & 0x00ff) << 8) | |
|||
((x & 0xff00) >> 8); |
|||
} |
|||
|
|||
static INLINE uint32_t SWAP32(uint32_t x) |
|||
{ |
|||
return ((x & 0x000000ff) << 24) | |
|||
((x & 0x0000ff00) << 8) | |
|||
((x & 0x00ff0000) >> 8) | |
|||
((x & 0xff000000) >> 24); |
|||
} |
|||
|
|||
#endif |
|||
|
|||
#if defined(_MSC_VER) && _MSC_VER <= 1200 |
|||
static INLINE uint64_t SWAP64(uint64_t val) |
|||
{ |
|||
return |
|||
((val & 0x00000000000000ff) << 56) |
|||
| ((val & 0x000000000000ff00) << 40) |
|||
| ((val & 0x0000000000ff0000) << 24) |
|||
| ((val & 0x00000000ff000000) << 8) |
|||
| ((val & 0x000000ff00000000) >> 8) |
|||
| ((val & 0x0000ff0000000000) >> 24) |
|||
| ((val & 0x00ff000000000000) >> 40) |
|||
| ((val & 0xff00000000000000) >> 56); |
|||
} |
|||
#else |
|||
static INLINE uint64_t SWAP64(uint64_t val) |
|||
{ |
|||
return ((val & 0x00000000000000ffULL) << 56) |
|||
| ((val & 0x000000000000ff00ULL) << 40) |
|||
| ((val & 0x0000000000ff0000ULL) << 24) |
|||
| ((val & 0x00000000ff000000ULL) << 8) |
|||
| ((val & 0x000000ff00000000ULL) >> 8) |
|||
| ((val & 0x0000ff0000000000ULL) >> 24) |
|||
| ((val & 0x00ff000000000000ULL) >> 40) |
|||
| ((val & 0xff00000000000000ULL) >> 56); |
|||
} |
|||
#endif |
|||
|
|||
|
|||
#if defined (LSB_FIRST) || defined (MSB_FIRST) |
|||
# warning Defining MSB_FIRST and LSB_FIRST in compile options is deprecated |
|||
# undef LSB_FIRST |
|||
# undef MSB_FIRST |
|||
#endif |
|||
|
|||
#ifdef _MSC_VER |
|||
/* MSVC pre-defines macros depending on target arch */ |
|||
#if defined (_M_IX86) || defined (_M_AMD64) || defined (_M_ARM) || defined (_M_ARM64) |
|||
#define LSB_FIRST 1 |
|||
#elif _M_PPC |
|||
#define MSB_FIRST 1 |
|||
#else |
|||
/* MSVC can run on _M_ALPHA and _M_IA64 too, but they're both bi-endian; need to find what mode MSVC runs them at */ |
|||
#error "unknown platform, can't determine endianness" |
|||
#endif |
|||
#else |
|||
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
|||
#define MSB_FIRST 1 |
|||
#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
|||
#define LSB_FIRST 1 |
|||
#else |
|||
#error "Invalid endianness macros" |
|||
#endif |
|||
#endif |
|||
|
|||
#if defined(MSB_FIRST) && defined(LSB_FIRST) |
|||
# error "Bug in LSB_FIRST/MSB_FIRST definition" |
|||
#endif |
|||
|
|||
#if !defined(MSB_FIRST) && !defined(LSB_FIRST) |
|||
# error "Bug in LSB_FIRST/MSB_FIRST definition" |
|||
#endif |
|||
|
|||
#ifdef MSB_FIRST |
|||
# define RETRO_IS_BIG_ENDIAN 1 |
|||
# define RETRO_IS_LITTLE_ENDIAN 0 |
|||
/* For compatibility */ |
|||
# define WORDS_BIGENDIAN 1 |
|||
#else |
|||
# define RETRO_IS_BIG_ENDIAN 0 |
|||
# define RETRO_IS_LITTLE_ENDIAN 1 |
|||
/* For compatibility */ |
|||
# undef WORDS_BIGENDIAN |
|||
#endif |
|||
|
|||
|
|||
/**
|
|||
* is_little_endian: |
|||
* |
|||
* Checks if the system is little endian or big-endian. |
|||
* |
|||
* Returns: greater than 0 if little-endian, |
|||
* otherwise big-endian. |
|||
**/ |
|||
#define is_little_endian() RETRO_IS_LITTLE_ENDIAN |
|||
|
|||
/**
|
|||
* swap_if_big64: |
|||
* @val : unsigned 64-bit value |
|||
* |
|||
* Byteswap unsigned 64-bit value if system is big-endian. |
|||
* |
|||
* Returns: Byteswapped value in case system is big-endian, |
|||
* otherwise returns same value. |
|||
**/ |
|||
|
|||
#if RETRO_IS_BIG_ENDIAN |
|||
#define swap_if_big64(val) (SWAP64(val)) |
|||
#elif RETRO_IS_LITTLE_ENDIAN |
|||
#define swap_if_big64(val) (val) |
|||
#endif |
|||
|
|||
/**
|
|||
* swap_if_big32: |
|||
* @val : unsigned 32-bit value |
|||
* |
|||
* Byteswap unsigned 32-bit value if system is big-endian. |
|||
* |
|||
* Returns: Byteswapped value in case system is big-endian, |
|||
* otherwise returns same value. |
|||
**/ |
|||
|
|||
#if RETRO_IS_BIG_ENDIAN |
|||
#define swap_if_big32(val) (SWAP32(val)) |
|||
#elif RETRO_IS_LITTLE_ENDIAN |
|||
#define swap_if_big32(val) (val) |
|||
#endif |
|||
|
|||
/**
|
|||
* swap_if_little64: |
|||
* @val : unsigned 64-bit value |
|||
* |
|||
* Byteswap unsigned 64-bit value if system is little-endian. |
|||
* |
|||
* Returns: Byteswapped value in case system is little-endian, |
|||
* otherwise returns same value. |
|||
**/ |
|||
|
|||
#if RETRO_IS_BIG_ENDIAN |
|||
#define swap_if_little64(val) (val) |
|||
#elif RETRO_IS_LITTLE_ENDIAN |
|||
#define swap_if_little64(val) (SWAP64(val)) |
|||
#endif |
|||
|
|||
/**
|
|||
* swap_if_little32: |
|||
* @val : unsigned 32-bit value |
|||
* |
|||
* Byteswap unsigned 32-bit value if system is little-endian. |
|||
* |
|||
* Returns: Byteswapped value in case system is little-endian, |
|||
* otherwise returns same value. |
|||
**/ |
|||
|
|||
#if RETRO_IS_BIG_ENDIAN |
|||
#define swap_if_little32(val) (val) |
|||
#elif RETRO_IS_LITTLE_ENDIAN |
|||
#define swap_if_little32(val) (SWAP32(val)) |
|||
#endif |
|||
|
|||
/**
|
|||
* swap_if_big16: |
|||
* @val : unsigned 16-bit value |
|||
* |
|||
* Byteswap unsigned 16-bit value if system is big-endian. |
|||
* |
|||
* Returns: Byteswapped value in case system is big-endian, |
|||
* otherwise returns same value. |
|||
**/ |
|||
|
|||
#if RETRO_IS_BIG_ENDIAN |
|||
#define swap_if_big16(val) (SWAP16(val)) |
|||
#elif RETRO_IS_LITTLE_ENDIAN |
|||
#define swap_if_big16(val) (val) |
|||
#endif |
|||
|
|||
/**
|
|||
* swap_if_little16: |
|||
* @val : unsigned 16-bit value |
|||
* |
|||
* Byteswap unsigned 16-bit value if system is little-endian. |
|||
* |
|||
* Returns: Byteswapped value in case system is little-endian, |
|||
* otherwise returns same value. |
|||
**/ |
|||
|
|||
#if RETRO_IS_BIG_ENDIAN |
|||
#define swap_if_little16(val) (val) |
|||
#elif RETRO_IS_LITTLE_ENDIAN |
|||
#define swap_if_little16(val) (SWAP16(val)) |
|||
#endif |
|||
|
|||
/**
|
|||
* store32be: |
|||
* @addr : pointer to unsigned 32-bit buffer |
|||
* @data : unsigned 32-bit value to write |
|||
* |
|||
* Write data to address. Endian-safe. Byteswaps the data |
|||
* first if necessary before storing it. |
|||
**/ |
|||
static INLINE void store32be(uint32_t *addr, uint32_t data) |
|||
{ |
|||
*addr = swap_if_little32(data); |
|||
} |
|||
|
|||
/**
|
|||
* load32be: |
|||
* @addr : pointer to unsigned 32-bit buffer |
|||
* |
|||
* Load value from address. Endian-safe. |
|||
* |
|||
* Returns: value from address, byte-swapped if necessary. |
|||
**/ |
|||
static INLINE uint32_t load32be(const uint32_t *addr) |
|||
{ |
|||
return swap_if_little32(*addr); |
|||
} |
|||
|
|||
/**
|
|||
* retro_cpu_to_le16: |
|||
* @val : unsigned 16-bit value |
|||
* |
|||
* Convert unsigned 16-bit value from system to little-endian. |
|||
* |
|||
* Returns: Little-endian representation of val. |
|||
**/ |
|||
|
|||
#define retro_cpu_to_le16(val) swap_if_big16(val) |
|||
|
|||
/**
|
|||
* retro_cpu_to_le32: |
|||
* @val : unsigned 32-bit value |
|||
* |
|||
* Convert unsigned 32-bit value from system to little-endian. |
|||
* |
|||
* Returns: Little-endian representation of val. |
|||
**/ |
|||
|
|||
#define retro_cpu_to_le32(val) swap_if_big32(val) |
|||
|
|||
/**
|
|||
* retro_cpu_to_le64: |
|||
* @val : unsigned 64-bit value |
|||
* |
|||
* Convert unsigned 64-bit value from system to little-endian. |
|||
* |
|||
* Returns: Little-endian representation of val. |
|||
**/ |
|||
|
|||
#define retro_cpu_to_le64(val) swap_if_big64(val) |
|||
|
|||
/**
|
|||
* retro_le_to_cpu16: |
|||
* @val : unsigned 16-bit value |
|||
* |
|||
* Convert unsigned 16-bit value from little-endian to native. |
|||
* |
|||
* Returns: Native representation of little-endian val. |
|||
**/ |
|||
|
|||
#define retro_le_to_cpu16(val) swap_if_big16(val) |
|||
|
|||
/**
|
|||
* retro_le_to_cpu32: |
|||
* @val : unsigned 32-bit value |
|||
* |
|||
* Convert unsigned 32-bit value from little-endian to native. |
|||
* |
|||
* Returns: Native representation of little-endian val. |
|||
**/ |
|||
|
|||
#define retro_le_to_cpu32(val) swap_if_big32(val) |
|||
|
|||
/**
|
|||
* retro_le_to_cpu16: |
|||
* @val : unsigned 64-bit value |
|||
* |
|||
* Convert unsigned 64-bit value from little-endian to native. |
|||
* |
|||
* Returns: Native representation of little-endian val. |
|||
**/ |
|||
|
|||
#define retro_le_to_cpu64(val) swap_if_big64(val) |
|||
|
|||
/**
|
|||
* retro_cpu_to_be16: |
|||
* @val : unsigned 16-bit value |
|||
* |
|||
* Convert unsigned 16-bit value from system to big-endian. |
|||
* |
|||
* Returns: Big-endian representation of val. |
|||
**/ |
|||
|
|||
#define retro_cpu_to_be16(val) swap_if_little16(val) |
|||
|
|||
/**
|
|||
* retro_cpu_to_be32: |
|||
* @val : unsigned 32-bit value |
|||
* |
|||
* Convert unsigned 32-bit value from system to big-endian. |
|||
* |
|||
* Returns: Big-endian representation of val. |
|||
**/ |
|||
|
|||
#define retro_cpu_to_be32(val) swap_if_little32(val) |
|||
|
|||
/**
|
|||
* retro_cpu_to_be64: |
|||
* @val : unsigned 64-bit value |
|||
* |
|||
* Convert unsigned 64-bit value from system to big-endian. |
|||
* |
|||
* Returns: Big-endian representation of val. |
|||
**/ |
|||
|
|||
#define retro_cpu_to_be64(val) swap_if_little64(val) |
|||
|
|||
/**
|
|||
* retro_be_to_cpu16: |
|||
* @val : unsigned 16-bit value |
|||
* |
|||
* Convert unsigned 16-bit value from big-endian to native. |
|||
* |
|||
* Returns: Native representation of big-endian val. |
|||
**/ |
|||
|
|||
#define retro_be_to_cpu16(val) swap_if_little16(val) |
|||
|
|||
/**
|
|||
* retro_be_to_cpu32: |
|||
* @val : unsigned 32-bit value |
|||
* |
|||
* Convert unsigned 32-bit value from big-endian to native. |
|||
* |
|||
* Returns: Native representation of big-endian val. |
|||
**/ |
|||
|
|||
#define retro_be_to_cpu32(val) swap_if_little32(val) |
|||
|
|||
/**
|
|||
* retro_be_to_cpu64: |
|||
* @val : unsigned 64-bit value |
|||
* |
|||
* Convert unsigned 64-bit value from big-endian to native. |
|||
* |
|||
* Returns: Native representation of big-endian val. |
|||
**/ |
|||
|
|||
#define retro_be_to_cpu64(val) swap_if_little64(val) |
|||
|
|||
#ifdef __GNUC__ |
|||
/* This attribute means that the same memory may be referred through
|
|||
pointers to different size of the object (aliasing). E.g. that u8 * |
|||
and u32 * may actually be pointing to the same object. */ |
|||
#define MAY_ALIAS __attribute__((__may_alias__)) |
|||
#else |
|||
#define MAY_ALIAS |
|||
#endif |
|||
|
|||
#pragma pack(push, 1) |
|||
struct retro_unaligned_uint16_s |
|||
{ |
|||
uint16_t val; |
|||
} MAY_ALIAS; |
|||
struct retro_unaligned_uint32_s |
|||
{ |
|||
uint32_t val; |
|||
} MAY_ALIAS; |
|||
struct retro_unaligned_uint64_s |
|||
{ |
|||
uint64_t val; |
|||
} MAY_ALIAS; |
|||
#pragma pack(pop) |
|||
|
|||
typedef struct retro_unaligned_uint16_s retro_unaligned_uint16_t; |
|||
typedef struct retro_unaligned_uint32_s retro_unaligned_uint32_t; |
|||
typedef struct retro_unaligned_uint64_s retro_unaligned_uint64_t; |
|||
|
|||
/* L-value references to unaligned pointers. */ |
|||
#define retro_unaligned16(p) (((retro_unaligned_uint16_t *)p)->val) |
|||
#define retro_unaligned32(p) (((retro_unaligned_uint32_t *)p)->val) |
|||
#define retro_unaligned64(p) (((retro_unaligned_uint64_t *)p)->val) |
|||
|
|||
/**
|
|||
* retro_get_unaligned_16be: |
|||
* @addr : pointer to unsigned 16-bit value |
|||
* |
|||
* Convert unsigned unaligned 16-bit value from big-endian to native. |
|||
* |
|||
* Returns: Native representation of big-endian val. |
|||
**/ |
|||
|
|||
static INLINE uint16_t retro_get_unaligned_16be(void *addr) { |
|||
return retro_be_to_cpu16(retro_unaligned16(addr)); |
|||
} |
|||
|
|||
/**
|
|||
* retro_get_unaligned_32be: |
|||
* @addr : pointer to unsigned 32-bit value |
|||
* |
|||
* Convert unsigned unaligned 32-bit value from big-endian to native. |
|||
* |
|||
* Returns: Native representation of big-endian val. |
|||
**/ |
|||
|
|||
static INLINE uint32_t retro_get_unaligned_32be(void *addr) { |
|||
return retro_be_to_cpu32(retro_unaligned32(addr)); |
|||
} |
|||
|
|||
/**
|
|||
* retro_get_unaligned_64be: |
|||
* @addr : pointer to unsigned 64-bit value |
|||
* |
|||
* Convert unsigned unaligned 64-bit value from big-endian to native. |
|||
* |
|||
* Returns: Native representation of big-endian val. |
|||
**/ |
|||
|
|||
static INLINE uint64_t retro_get_unaligned_64be(void *addr) { |
|||
return retro_be_to_cpu64(retro_unaligned64(addr)); |
|||
} |
|||
|
|||
/**
|
|||
* retro_get_unaligned_16le: |
|||
* @addr : pointer to unsigned 16-bit value |
|||
* |
|||
* Convert unsigned unaligned 16-bit value from little-endian to native. |
|||
* |
|||
* Returns: Native representation of little-endian val. |
|||
**/ |
|||
|
|||
static INLINE uint16_t retro_get_unaligned_16le(void *addr) { |
|||
return retro_le_to_cpu16(retro_unaligned16(addr)); |
|||
} |
|||
|
|||
/**
|
|||
* retro_get_unaligned_32le: |
|||
* @addr : pointer to unsigned 32-bit value |
|||
* |
|||
* Convert unsigned unaligned 32-bit value from little-endian to native. |
|||
* |
|||
* Returns: Native representation of little-endian val. |
|||
**/ |
|||
|
|||
static INLINE uint32_t retro_get_unaligned_32le(void *addr) { |
|||
return retro_le_to_cpu32(retro_unaligned32(addr)); |
|||
} |
|||
|
|||
/**
|
|||
* retro_get_unaligned_64le: |
|||
* @addr : pointer to unsigned 64-bit value |
|||
* |
|||
* Convert unsigned unaligned 64-bit value from little-endian to native. |
|||
* |
|||
* Returns: Native representation of little-endian val. |
|||
**/ |
|||
|
|||
static INLINE uint64_t retro_get_unaligned_64le(void *addr) { |
|||
return retro_le_to_cpu64(retro_unaligned64(addr)); |
|||
} |
|||
|
|||
/**
|
|||
* retro_set_unaligned_16le: |
|||
* @addr : pointer to unsigned 16-bit value |
|||
* @val : value to store |
|||
* |
|||
* Convert native value to unsigned unaligned 16-bit little-endian value |
|||
* |
|||
**/ |
|||
|
|||
static INLINE void retro_set_unaligned_16le(void *addr, uint16_t v) { |
|||
retro_unaligned16(addr) = retro_cpu_to_le16(v); |
|||
} |
|||
|
|||
/**
|
|||
* retro_set_unaligned_32le: |
|||
* @addr : pointer to unsigned 32-bit value |
|||
* @val : value to store |
|||
* |
|||
* Convert native value to unsigned unaligned 32-bit little-endian value |
|||
* |
|||
**/ |
|||
|
|||
static INLINE void retro_set_unaligned_32le(void *addr, uint32_t v) { |
|||
retro_unaligned32(addr) = retro_cpu_to_le32(v); |
|||
} |
|||
|
|||
/**
|
|||
* retro_set_unaligned_32le: |
|||
* @addr : pointer to unsigned 32-bit value |
|||
* @val : value to store |
|||
* |
|||
* Convert native value to unsigned unaligned 32-bit little-endian value |
|||
* |
|||
**/ |
|||
|
|||
static INLINE void retro_set_unaligned_64le(void *addr, uint64_t v) { |
|||
retro_unaligned64(addr) = retro_cpu_to_le64(v); |
|||
} |
|||
|
|||
/**
|
|||
* retro_set_unaligned_16be: |
|||
* @addr : pointer to unsigned 16-bit value |
|||
* @val : value to store |
|||
* |
|||
* Convert native value to unsigned unaligned 16-bit big-endian value |
|||
* |
|||
**/ |
|||
|
|||
static INLINE void retro_set_unaligned_16be(void *addr, uint16_t v) { |
|||
retro_unaligned16(addr) = retro_cpu_to_be16(v); |
|||
} |
|||
|
|||
/**
|
|||
* retro_set_unaligned_32be: |
|||
* @addr : pointer to unsigned 32-bit value |
|||
* @val : value to store |
|||
* |
|||
* Convert native value to unsigned unaligned 32-bit big-endian value |
|||
* |
|||
**/ |
|||
|
|||
static INLINE void retro_set_unaligned_32be(void *addr, uint32_t v) { |
|||
retro_unaligned32(addr) = retro_cpu_to_be32(v); |
|||
} |
|||
|
|||
/**
|
|||
* retro_set_unaligned_32be: |
|||
* @addr : pointer to unsigned 32-bit value |
|||
* @val : value to store |
|||
* |
|||
* Convert native value to unsigned unaligned 32-bit big-endian value |
|||
* |
|||
**/ |
|||
|
|||
static INLINE void retro_set_unaligned_64be(void *addr, uint64_t v) { |
|||
retro_unaligned64(addr) = retro_cpu_to_be64(v); |
|||
} |
|||
|
|||
|
|||
#endif |
@ -0,0 +1,39 @@ |
|||
/* Copyright (C) 2010-2020 The RetroArch team
|
|||
* |
|||
* --------------------------------------------------------------------------------------- |
|||
* The following license statement only applies to this file (retro_inline.h). |
|||
* --------------------------------------------------------------------------------------- |
|||
* |
|||
* Permission is hereby granted, free of charge, |
|||
* to any person obtaining a copy of this software and associated documentation files (the "Software"), |
|||
* to deal in the Software without restriction, including without limitation the rights to |
|||
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, |
|||
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
|||
* |
|||
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. |
|||
* |
|||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
|||
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
|||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
|||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
|||
*/ |
|||
|
|||
#ifndef __LIBRETRO_SDK_INLINE_H |
|||
#define __LIBRETRO_SDK_INLINE_H |
|||
|
|||
#ifndef INLINE |
|||
|
|||
#if defined(_WIN32) || defined(__INTEL_COMPILER) |
|||
#define INLINE __inline |
|||
#elif defined(__STDC_VERSION__) && __STDC_VERSION__>=199901L |
|||
#define INLINE inline |
|||
#elif defined(__GNUC__) |
|||
#define INLINE __inline__ |
|||
#else |
|||
#define INLINE |
|||
#endif |
|||
|
|||
#endif |
|||
#endif |
@ -0,0 +1,94 @@ |
|||
/* Copyright (C) 2010-2020 The RetroArch team
|
|||
* |
|||
* --------------------------------------------------------------------------------------- |
|||
* The following license statement only applies to this file (retro_math.h). |
|||
* --------------------------------------------------------------------------------------- |
|||
* |
|||
* Permission is hereby granted, free of charge, |
|||
* to any person obtaining a copy of this software and associated documentation files (the "Software"), |
|||
* to deal in the Software without restriction, including without limitation the rights to |
|||
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, |
|||
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
|||
* |
|||
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. |
|||
* |
|||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
|||
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
|||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
|||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
|||
*/ |
|||
|
|||
#ifndef _LIBRETRO_COMMON_MATH_H |
|||
#define _LIBRETRO_COMMON_MATH_H |
|||
|
|||
#include <stdint.h> |
|||
|
|||
#if defined(_WIN32) && !defined(_XBOX) |
|||
#define WIN32_LEAN_AND_MEAN |
|||
#include <windows.h> |
|||
#elif defined(_WIN32) && defined(_XBOX) |
|||
#include <Xtl.h> |
|||
#endif |
|||
|
|||
#include <limits.h> |
|||
|
|||
#ifdef _MSC_VER |
|||
#include <compat/msvc.h> |
|||
#endif |
|||
#include <retro_inline.h> |
|||
|
|||
#ifndef M_PI |
|||
#if !defined(USE_MATH_DEFINES) |
|||
#define M_PI 3.14159265358979323846264338327 |
|||
#endif |
|||
#endif |
|||
|
|||
#ifndef MAX |
|||
#define MAX(a, b) ((a) > (b) ? (a) : (b)) |
|||
#endif |
|||
|
|||
#ifndef MIN |
|||
#define MIN(a, b) ((a) < (b) ? (a) : (b)) |
|||
#endif |
|||
|
|||
/**
|
|||
* next_pow2: |
|||
* @v : initial value |
|||
* |
|||
* Get next power of 2 value based on initial value. |
|||
* |
|||
* Returns: next power of 2 value (derived from @v). |
|||
**/ |
|||
static INLINE uint32_t next_pow2(uint32_t v) |
|||
{ |
|||
v--; |
|||
v |= v >> 1; |
|||
v |= v >> 2; |
|||
v |= v >> 4; |
|||
v |= v >> 8; |
|||
v |= v >> 16; |
|||
v++; |
|||
return v; |
|||
} |
|||
|
|||
/**
|
|||
* prev_pow2: |
|||
* @v : initial value |
|||
* |
|||
* Get previous power of 2 value based on initial value. |
|||
* |
|||
* Returns: previous power of 2 value (derived from @v). |
|||
**/ |
|||
static INLINE uint32_t prev_pow2(uint32_t v) |
|||
{ |
|||
v |= v >> 1; |
|||
v |= v >> 2; |
|||
v |= v >> 4; |
|||
v |= v >> 8; |
|||
v |= v >> 16; |
|||
return v - (v >> 1); |
|||
} |
|||
|
|||
#endif |
Loading…
Reference in new issue