commit 7dd39317b814a1c4ecdd3495a08f46b1f367d4b6
parent c3c303252699a1fc422967c8ce1f98a0cafc71bb
Author: Samdal <samdal@protonmail.com>
Date: Tue, 6 Jul 2021 14:26:21 +0200
organise files, fix a bug
Diffstat:
15 files changed, 471 insertions(+), 298 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -1,3 +0,0 @@
-*.exe
-*.out
-*.o
diff --git a/.gitmodules b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "third_party/include/gs"]
+ path = third_party/include/gs
+ url = https://github.com/MrFrenik/gunslinger
diff --git a/README.org b/README.org
@@ -0,0 +1,2 @@
+#+TITLE: gs_snake
+[[./screen.png]]
diff --git a/bin/App b/bin/App
Binary files differ.
diff --git a/main.c b/main.c
@@ -1,295 +0,0 @@
-#define GS_IMPL
-#include <gs/gs.h>
-
-// Vertex data
-float v_data[] = {
- -1.0f, -1.0f, 0.0f, 0.0f, // Top Left
- 1.0f, -1.0f, 1.0f, 0.0f, // Top Right
- -1.0f, 1.0f, 0.0f, 1.0f, // Bottom Left
- 1.0f, 1.0f, 1.0f, 1.0f // Bottom Right
-};
-// Index data for quad
-uint32_t i_data[] = {
- 0, 3, 2, // First Triangle
- 0, 1, 3 // Second Triangle
-};
-
-gs_command_buffer_t cb = {0};
-gs_handle(gs_graphics_vertex_buffer_t) vbo = {0};
-gs_handle(gs_graphics_index_buffer_t) ibo = {0};
-gs_handle(gs_graphics_pipeline_t) pip = {0};
-gs_handle(gs_graphics_shader_t) shader = {0};
-gs_handle(gs_graphics_uniform_t) u_resolution = {0};
-gs_handle(gs_graphics_uniform_t) u_food = {0};
-gs_handle(gs_graphics_uniform_t) u_map = {0};
-
-char map_names[32][256] = {0};
-uint32_t map_buffer[32] = {0};
-
-// snake linked list
-typedef struct snake {
- gs_vec2 pos;
- void* next;
-} snake_t;
-snake_t* tail = &(snake_t){0};
-
-gs_vec2 food = {16.0f, 16.0f};
-
-gs_vec2 prev_move = {0};
-gs_vec2 move = {0};
-uint32_t prev_move_time = 0;
-
-snake_t* eat_food(snake_t* head)
-{
- // move food
- map_buffer[(int)food.y] |= (1 << (int)food.x);
- do {
- food = (gs_vec2){rand() % 32, rand() % 32};
- } while (map_buffer[(int)food.y] & (1 << (int)food.x));
-
- // Grow snake
- head->next = (snake_t*)gs_malloc(sizeof(snake_t));
- gs_assert(head->next);
- gs_vec2 pos = head->pos;
- head = head->next;
- head->pos = pos;
- head->next = NULL;
- return head;
-}
-
-void free_snake()
-{
- while (tail->next) {
- snake_t* head = tail;
- for (;;) {
- snake_t* next = head->next;
- if (!next->next)
- break;
- head = next;
- }
- gs_free(head->next);
- head->next = NULL;
- }
-}
-
-void new_game()
-{
- // reinitialise buffers
- for (uint32_t i = 0; i < 32; i++)
- map_buffer[i] = 0;
- prev_move_time = gs_platform_elapsed_time() * 0.01f;
- move = (gs_vec2){1.0f, 0.0f};
- prev_move = move;
- free_snake();
-
- // init tail piece
- snake_t* body = tail;
- body->pos = (gs_vec2){16.0f, 16.0f};
-
- // place tail piece in map_buffer
- map_buffer[(int)body->pos.y] |= (1 << (int)body->pos.x);
-
- for (uint32_t i = 1; i <= 3; i++) {
- // create snake piece
- body->next = (snake_t*)gs_malloc(sizeof(snake_t));
- gs_assert(body->next);
- body = body->next;
-
- // init snake piece
- body->pos = (gs_vec2){16.0f + (float)i, 16.0f};
- body->next = NULL;
-
- // place snake piece in map_buffer
- map_buffer[(int)body->pos.y] |= (1 << (int)body->pos.x);
- }
-
- // place food at random position
- do {
- food = (gs_vec2){rand() % 32, rand() % 32};
- } while (map_buffer[(int)food.y] & (1 << (int)food.x));
-}
-
-void move_head(snake_t* head)
-{
- head->pos.x += move.x;
- head->pos.y += move.y;
- // wrap snake
- if (head->pos.x > 31.0f)
- head->pos.x = 0.0f;
- else if (head->pos.x < 0.0f)
- head->pos.x = 31.0f;
- else if (head->pos.y > 31.0f)
- head->pos.y = 0.0f;
- else if (head->pos.y < 0.0f)
- head->pos.y = 31.0f;
-}
-void move_snake()
-{
-
- snake_t* body = tail;
- prev_move = move;
-
- // get head
- while (body->next)
- body = body->next;
-
- // if new pos is food
- if (body->pos.x + move.x == food.x && body->pos.y + move.y == food.y) {
- body = eat_food(body);
- move_head(body);
- } else {
- // remove tail from buffer
- body = tail;
- map_buffer[(int)body->pos.y] &= ~(1 << (int)body->pos.x);
-
- // move each snake piece to the next ones position
- while (body->next) {
- snake_t* next = body->next;
- body->pos = next->pos;
- body = next;
- }
-
- move_head(body);
-
- // check for collision
- if (map_buffer[(int)body->pos.y] & (1 << (int)body->pos.x)) {
- new_game();
- return;
- }
- }
- // add head to buffer
- map_buffer[(int)body->pos.y] |= (1 << (int)body->pos.x);
-}
-
-void init()
-{
- // Construct new command buffer
- cb = gs_command_buffer_new();
-
- // Construct vertex buffer
- vbo = gs_graphics_vertex_buffer_create(&(gs_graphics_vertex_buffer_desc_t) {
- .data = v_data,
- .size = sizeof(v_data)
- });
-
- // Construct index buffer
- ibo = gs_graphics_index_buffer_create(&(gs_graphics_index_buffer_desc_t) {
- .data = i_data,
- .size = sizeof(i_data)
- });
-
- // shader sources
- char* f_src = gs_platform_read_file_contents("frag.glsl", "r", NULL);
- char* v_src = gs_platform_read_file_contents("vertex.glsl", "r", NULL);
-
- // Create shader
- shader = gs_graphics_shader_create (&(gs_graphics_shader_desc_t) {
- .sources = (gs_graphics_shader_source_desc_t[]){
- {.type = GS_GRAPHICS_SHADER_STAGE_VERTEX, .source = v_src},
- {.type = GS_GRAPHICS_SHADER_STAGE_FRAGMENT, .source = f_src}
- },
- .size = 2 * sizeof(gs_graphics_shader_source_desc_t),
- .name = "quad"
- });
-
- // Construct uniforms
-
- // Construct layout fields for sub elements of array
- gs_graphics_uniform_layout_desc_t layout[32] = {0};
- for (uint32_t i = 0; i < 32; ++i) {
- gs_snprintf(map_names[i], sizeof(map_names[i]), "[%d]", i);
- layout[i].type = GS_GRAPHICS_UNIFORM_INT;
- layout[i].fname = map_names[i];
- }
- u_map = gs_graphics_uniform_create(&(gs_graphics_uniform_desc_t) {
- .name = "u_map",
- .layout = layout,
- .layout_size = 32 * sizeof(gs_graphics_uniform_layout_desc_t)
- });
- u_resolution = gs_graphics_uniform_create(&(gs_graphics_uniform_desc_t) {
- .name = "u_resolution",
- .layout = &(gs_graphics_uniform_layout_desc_t) {
- .type = GS_GRAPHICS_UNIFORM_VEC2
- }
- });
- u_food = gs_graphics_uniform_create(&(gs_graphics_uniform_desc_t) {
- .name = "u_food",
- .layout = &(gs_graphics_uniform_layout_desc_t) {
- .type = GS_GRAPHICS_UNIFORM_VEC2
- }
- });
-
- // init pipeline
- pip = gs_graphics_pipeline_create (&(gs_graphics_pipeline_desc_t) {
- .raster = {
- .shader = shader,
- .index_buffer_element_size = sizeof(uint32_t)
- },
- .layout = {
- .attrs = (gs_graphics_vertex_attribute_desc_t[]){
- {.format = GS_GRAPHICS_VERTEX_ATTRIBUTE_FLOAT2, .name = "a_pos"},
- {.format = GS_GRAPHICS_VERTEX_ATTRIBUTE_FLOAT2, .name = "a_uv"}
- },
- .size = 2 * sizeof(gs_graphics_vertex_attribute_desc_t)
- }
- });
-
- // set random seed
- srand((uint32_t)time(NULL));
-
- // start game
- new_game();
-}
-
-void update()
-{
- // inputs
- if (gs_platform_key_pressed(GS_KEYCODE_ESC)) gs_engine_quit();
- if (gs_platform_key_pressed(GS_KEYCODE_RIGHT) && prev_move.y != 0.0f) move = (gs_vec2){1.0f,0.0f};
- else if (gs_platform_key_pressed(GS_KEYCODE_LEFT) && prev_move.y != 0.0f) move = (gs_vec2){-1.0f,0.0f};
- else if (gs_platform_key_pressed(GS_KEYCODE_UP) && prev_move.x != 0.0f) move = (gs_vec2){0.0f,1.0f};
- else if (gs_platform_key_pressed(GS_KEYCODE_DOWN) && prev_move.x != 0.0f) move = (gs_vec2){0.0f,-1.0f};
-
- // move snake every 0.2 seconds
- uint32_t time_now = gs_platform_elapsed_time() * 0.01f;
- if (time_now - prev_move_time >= 2) {
- move_snake();
- prev_move_time = time_now;
- }
-
- // set uniforms
- gs_vec2 fbs = gs_platform_framebuffer_sizev(gs_platform_main_window());
- gs_graphics_bind_uniform_desc_t uniforms[] = {
- (gs_graphics_bind_uniform_desc_t) {.uniform = u_map, .data = &map_buffer},
- (gs_graphics_bind_uniform_desc_t) {.uniform = u_resolution, .data = &fbs},
- (gs_graphics_bind_uniform_desc_t) {.uniform = u_food, .data = &food},
- };
-
- // Bindings for all buffers: vertex, index, uniforms
- gs_graphics_bind_desc_t binds = {
- .vertex_buffers = {.desc = &(gs_graphics_bind_vertex_buffer_desc_t){.buffer = vbo}},
- .index_buffers = {.desc = &(gs_graphics_bind_index_buffer_desc_t){.buffer = ibo}},
- .uniforms = {.desc = uniforms, .size = sizeof(uniforms)}
- };
-
- /* Render */
- gs_graphics_begin_render_pass(&cb, GS_GRAPHICS_RENDER_PASS_DEFAULT);
- gs_graphics_set_viewport(&cb, 0, 0, (int32_t)fbs.x, (int32_t)fbs.y);
- gs_graphics_bind_pipeline(&cb, pip);
- gs_graphics_apply_bindings(&cb, &binds);
- gs_graphics_draw(&cb, &(gs_graphics_draw_desc_t){.start = 0, .count = 6});
- gs_graphics_end_render_pass(&cb);
-
- // Submit command buffer (syncs to GPU, MUST be done on main thread where you have your GPU context created)
- gs_graphics_submit_command_buffer(&cb);
-}
-
-gs_app_desc_t gs_main(int32_t argc, char** argv)
-{
- return (gs_app_desc_t){
- .window_title = "Gunslinger Snake",
- .init = init,
- .update = update,
- .shutdown = free_snake,
- };
-}
diff --git a/proc/html5/emcc.sh b/proc/html5/emcc.sh
@@ -0,0 +1,33 @@
+#!bin/sh
+
+rm -rf bin
+mkdir bin
+cd bin
+
+proj_name=App
+proj_root_dir=$(pwd)/../
+
+flags=(
+ -w -s WASM=1 -s USE_WEBGL2=1 -s ASYNCIFY=1 -O1
+)
+
+# Include directories
+inc=(
+ -I ../third_party/include/ # Gunslinger includes
+)
+
+# Source files
+src=(
+ ../source/*.c
+)
+
+libs=(
+)
+
+# Build
+emcc ${inc[*]} ${src[*]} ${flags[*]} -o $proj_name.html
+
+cd ..
+
+
+
diff --git a/proc/linux/gcc.sh b/proc/linux/gcc.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+rm -rf bin
+mkdir bin
+cd bin
+
+proj_name=App
+proj_root_dir=$(pwd)/../
+
+flags=(
+ -std=gnu99 -Wl,--no-as-needed -ldl -lGL -lX11 -pthread -lXi
+)
+
+# Include directories
+inc=(
+ -I ../third_party/include/
+)
+
+# Source files
+src=(
+ ../source/main.c
+)
+
+# Build
+gcc -O3 ${inc[*]} ${src[*]} ${flags[*]} -lm -o ${proj_name}
+
+cd ..
diff --git a/proc/osx/gcc.sh b/proc/osx/gcc.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+rm -rf bin
+mkdir bin
+cd bin
+
+proj_name=App
+proj_root_dir=$(pwd)/../
+
+flags=(
+ -std=c99 -x objective-c -O0 -w
+)
+
+# Include directories
+inc=(
+ -I ../third_party/include/
+)
+
+# Source files
+src=(
+ ../source/main.c
+)
+
+fworks=(
+ -framework OpenGL
+ -framework CoreFoundation
+ -framework CoreVideo
+ -framework IOKit
+ -framework Cocoa
+ -framework Carbon
+)
+
+# Build
+gcc ${flags[*]} ${fworks[*]} ${inc[*]} ${src[*]} -o ${proj_name}
+
+cd ..
+
+
+
diff --git a/proc/win/cl.bat b/proc/win/cl.bat
@@ -0,0 +1,35 @@
+@echo off
+rmdir /Q /S bin
+mkdir bin
+pushd bin
+
+rem Name
+set name=App
+
+rem Include directories
+set inc=/I ..\third_party\include\
+
+rem Source files
+set src_main=..\source\*.c
+
+rem All source together
+set src_all=%src_main%
+
+rem OS Libraries
+set os_libs= opengl32.lib kernel32.lib user32.lib ^
+shell32.lib vcruntime.lib msvcrt.lib gdi32.lib Advapi32.lib
+
+rem Link options
+set l_options=/EHsc /link /SUBSYSTEM:CONSOLE /NODEFAULTLIB:msvcrt.lib
+
+rem Compile Release
+rem cl /MP /FS /Ox /W0 /Fe%name%.exe %src_all% %inc% ^
+rem /EHsc /link /SUBSYSTEM:CONSOLE /NODEFAULTLIB:msvcrt.lib /NODEFAULTLIB:LIBCMT ^
+rem %os_libs%
+
+rem Compile Debug
+cl /W2 /MP -Zi /DEBUG:FULL /Fe%name%.exe %src_all% %inc% ^
+/EHsc /link /SUBSYSTEM:CONSOLE /NODEFAULTLIB:msvcrt.lib /NODEFAULTLIB:LIBCMT ^
+%os_libs%
+
+popd
diff --git a/proc/win/mingw.sh b/proc/win/mingw.sh
@@ -0,0 +1,39 @@
+#!bin/sh
+
+rm -rf bin
+mkdir bin
+cd bin
+
+proj_name=App
+proj_root_dir=$(pwd)/../
+
+flags=(
+ -std=gnu99 -w
+)
+
+# Include directories
+inc=(
+ -I ../third_party/include/ # Gunslinger includes
+)
+
+# Source files
+src=(
+ ../source/main.c
+)
+
+libs=(
+ -lopengl32
+ -lkernel32
+ -luser32
+ -lshell32
+ -lgdi32
+ -lAdvapi32
+)
+
+# Build
+gcc -O0 ${inc[*]} ${src[*]} ${flags[*]} ${libs[*]} -lm -o ${proj_name}
+
+cd ..
+
+
+
diff --git a/screen.png b/screen.png
Binary files differ.
diff --git a/frag.glsl b/source/frag.glsl
diff --git a/source/main.c b/source/main.c
@@ -0,0 +1,292 @@
+#define GS_IMPL
+#include <gs/gs.h>
+
+// Vertex data
+float v_data[] = {
+ -1.0f, -1.0f, 0.0f, 0.0f, // Top Left
+ 1.0f, -1.0f, 1.0f, 0.0f, // Top Right
+ -1.0f, 1.0f, 0.0f, 1.0f, // Bottom Left
+ 1.0f, 1.0f, 1.0f, 1.0f // Bottom Right
+};
+// Index data for quad
+uint32_t i_data[] = {
+ 0, 3, 2, // First Triangle
+ 0, 1, 3 // Second Triangle
+};
+
+gs_command_buffer_t cb = {0};
+gs_handle(gs_graphics_vertex_buffer_t) vbo = {0};
+gs_handle(gs_graphics_index_buffer_t) ibo = {0};
+gs_handle(gs_graphics_pipeline_t) pip = {0};
+gs_handle(gs_graphics_shader_t) shader = {0};
+gs_handle(gs_graphics_uniform_t) u_resolution = {0};
+gs_handle(gs_graphics_uniform_t) u_food = {0};
+gs_handle(gs_graphics_uniform_t) u_map = {0};
+
+char map_names[32][256] = {0};
+uint32_t map_buffer[32] = {0};
+
+// snake linked list
+typedef struct snake {
+ gs_vec2 pos;
+ void* next;
+} snake_t;
+snake_t* tail = &(snake_t){0};
+
+gs_vec2 food = {16.0f, 16.0f};
+
+gs_vec2 prev_move = {0};
+gs_vec2 move = {0};
+uint32_t prev_move_time = 0;
+
+snake_t* eat_food(snake_t* head)
+{
+ // move food
+ map_buffer[(int)food.y] |= (1 << (int)food.x);
+ do {
+ food = (gs_vec2){rand() % 32, rand() % 32};
+ } while (map_buffer[(int)food.y] & (1 << (int)food.x));
+
+ // Grow snake
+ head->next = (snake_t*)gs_malloc(sizeof(snake_t));
+ gs_assert(head->next);
+ gs_vec2 pos = head->pos;
+ head = head->next;
+ head->pos = pos;
+ head->next = NULL;
+ return head;
+}
+
+void free_snake()
+{
+ while (tail->next) {
+ snake_t* head = tail;
+ for (;;) {
+ snake_t* next = head->next;
+ if (!next->next)
+ break;
+ head = next;
+ }
+ gs_free(head->next);
+ head->next = NULL;
+ }
+}
+
+void new_game()
+{
+ // reinitialise buffers
+ for (uint32_t i = 0; i < 32; i++)
+ map_buffer[i] = 0;
+ prev_move_time = gs_platform_elapsed_time() * 0.01f;
+ move = (gs_vec2){1.0f, 0.0f};
+ prev_move = move;
+ free_snake();
+
+ // init tail piece
+ snake_t* body = tail;
+ body->pos = (gs_vec2){16.0f, 16.0f};
+
+ // place tail piece in map_buffer
+ map_buffer[(int)body->pos.y] |= (1 << (int)body->pos.x);
+
+ for (uint32_t i = 1; i <= 3; i++) {
+ // create snake piece
+ body->next = (snake_t*)gs_malloc(sizeof(snake_t));
+ gs_assert(body->next);
+ body = body->next;
+
+ // init snake piece
+ body->pos = (gs_vec2){16.0f + (float)i, 16.0f};
+ body->next = NULL;
+
+ // place snake piece in map_buffer
+ map_buffer[(int)body->pos.y] |= (1 << (int)body->pos.x);
+ }
+
+ // place food at random position
+ do {
+ food = (gs_vec2){rand() % 32, rand() % 32};
+ } while (map_buffer[(int)food.y] & (1 << (int)food.x));
+}
+
+void move_snake()
+{
+ prev_move = move;
+ snake_t* body = tail;
+
+ // get new head pos
+ while (body->next)
+ body = body->next;
+ gs_vec2 new_pos = body->pos;
+ new_pos.x += move.x;
+ new_pos.y += move.y;
+ // wrap snake
+ if (new_pos.x > 31.0f)
+ new_pos.x = 0.0f;
+ else if (new_pos.x < 0.0f)
+ new_pos.x = 31.0f;
+ else if (new_pos.y > 31.0f)
+ new_pos.y = 0.0f;
+ else if (new_pos.y < 0.0f)
+ new_pos.y = 31.0f;
+
+ // if new pos is food
+ if (new_pos.x == food.x && new_pos.y == food.y) {
+ body = eat_food(body);
+ body->pos = new_pos;
+ } else {
+ // remove tail from buffer
+ body = tail;
+ map_buffer[(int)body->pos.y] &= ~(1 << (int)body->pos.x);
+
+ // move each snake piece to the next ones position
+ while (body->next) {
+ snake_t* next = body->next;
+ body->pos = next->pos;
+ body = next;
+ }
+
+ body->pos = new_pos;
+
+ // check for collision
+ if (map_buffer[(int)body->pos.y] & (1 << (int)body->pos.x)) {
+ new_game();
+ return;
+ }
+ // add head to buffer
+ map_buffer[(int)body->pos.y] |= (1 << (int)body->pos.x);
+ }
+}
+
+void init()
+{
+ // Construct new command buffer
+ cb = gs_command_buffer_new();
+
+ // Construct vertex buffer
+ vbo = gs_graphics_vertex_buffer_create(&(gs_graphics_vertex_buffer_desc_t) {
+ .data = v_data,
+ .size = sizeof(v_data)
+ });
+
+ // Construct index buffer
+ ibo = gs_graphics_index_buffer_create(&(gs_graphics_index_buffer_desc_t) {
+ .data = i_data,
+ .size = sizeof(i_data)
+ });
+
+ // shader sources
+ char* f_src = gs_platform_read_file_contents("./source/frag.glsl", "r", NULL);
+ char* v_src = gs_platform_read_file_contents("./source/vertex.glsl", "r", NULL);
+
+ // Create shader
+ shader = gs_graphics_shader_create (&(gs_graphics_shader_desc_t) {
+ .sources = (gs_graphics_shader_source_desc_t[]){
+ {.type = GS_GRAPHICS_SHADER_STAGE_VERTEX, .source = v_src},
+ {.type = GS_GRAPHICS_SHADER_STAGE_FRAGMENT, .source = f_src}
+ },
+ .size = 2 * sizeof(gs_graphics_shader_source_desc_t),
+ .name = "quad"
+ });
+
+ // Construct uniforms
+
+ // Construct layout fields for sub elements of array
+ gs_graphics_uniform_layout_desc_t layout[32] = {0};
+ for (uint32_t i = 0; i < 32; ++i) {
+ gs_snprintf(map_names[i], sizeof(map_names[i]), "[%d]", i);
+ layout[i].type = GS_GRAPHICS_UNIFORM_INT;
+ layout[i].fname = map_names[i];
+ }
+ u_map = gs_graphics_uniform_create(&(gs_graphics_uniform_desc_t) {
+ .name = "u_map",
+ .layout = layout,
+ .layout_size = 32 * sizeof(gs_graphics_uniform_layout_desc_t)
+ });
+ u_resolution = gs_graphics_uniform_create(&(gs_graphics_uniform_desc_t) {
+ .name = "u_resolution",
+ .layout = &(gs_graphics_uniform_layout_desc_t) {
+ .type = GS_GRAPHICS_UNIFORM_VEC2
+ }
+ });
+ u_food = gs_graphics_uniform_create(&(gs_graphics_uniform_desc_t) {
+ .name = "u_food",
+ .layout = &(gs_graphics_uniform_layout_desc_t) {
+ .type = GS_GRAPHICS_UNIFORM_VEC2
+ }
+ });
+
+ // init pipeline
+ pip = gs_graphics_pipeline_create (&(gs_graphics_pipeline_desc_t) {
+ .raster = {
+ .shader = shader,
+ .index_buffer_element_size = sizeof(uint32_t)
+ },
+ .layout = {
+ .attrs = (gs_graphics_vertex_attribute_desc_t[]){
+ {.format = GS_GRAPHICS_VERTEX_ATTRIBUTE_FLOAT2, .name = "a_pos"},
+ {.format = GS_GRAPHICS_VERTEX_ATTRIBUTE_FLOAT2, .name = "a_uv"}
+ },
+ .size = 2 * sizeof(gs_graphics_vertex_attribute_desc_t)
+ }
+ });
+
+ // set random seed
+ srand((uint32_t)time(NULL));
+
+ // start game
+ new_game();
+}
+
+void update()
+{
+ // inputs
+ if (gs_platform_key_pressed(GS_KEYCODE_ESC)) gs_engine_quit();
+ if (gs_platform_key_pressed(GS_KEYCODE_RIGHT) && prev_move.y != 0.0f) move = (gs_vec2){1.0f,0.0f};
+ else if (gs_platform_key_pressed(GS_KEYCODE_LEFT) && prev_move.y != 0.0f) move = (gs_vec2){-1.0f,0.0f};
+ else if (gs_platform_key_pressed(GS_KEYCODE_UP) && prev_move.x != 0.0f) move = (gs_vec2){0.0f,1.0f};
+ else if (gs_platform_key_pressed(GS_KEYCODE_DOWN) && prev_move.x != 0.0f) move = (gs_vec2){0.0f,-1.0f};
+
+ // move snake every 0.2 seconds
+ uint32_t time_now = gs_platform_elapsed_time() * 0.01f;
+ if (time_now - prev_move_time >= 2) {
+ move_snake();
+ prev_move_time = time_now;
+ }
+
+ // set uniforms
+ gs_vec2 fbs = gs_platform_framebuffer_sizev(gs_platform_main_window());
+ gs_graphics_bind_uniform_desc_t uniforms[] = {
+ (gs_graphics_bind_uniform_desc_t) {.uniform = u_map, .data = &map_buffer},
+ (gs_graphics_bind_uniform_desc_t) {.uniform = u_resolution, .data = &fbs},
+ (gs_graphics_bind_uniform_desc_t) {.uniform = u_food, .data = &food},
+ };
+
+ // Bindings for all buffers: vertex, index, uniforms
+ gs_graphics_bind_desc_t binds = {
+ .vertex_buffers = {.desc = &(gs_graphics_bind_vertex_buffer_desc_t){.buffer = vbo}},
+ .index_buffers = {.desc = &(gs_graphics_bind_index_buffer_desc_t){.buffer = ibo}},
+ .uniforms = {.desc = uniforms, .size = sizeof(uniforms)}
+ };
+
+ /* Render */
+ gs_graphics_begin_render_pass(&cb, GS_GRAPHICS_RENDER_PASS_DEFAULT);
+ gs_graphics_set_viewport(&cb, 0, 0, (int32_t)fbs.x, (int32_t)fbs.y);
+ gs_graphics_bind_pipeline(&cb, pip);
+ gs_graphics_apply_bindings(&cb, &binds);
+ gs_graphics_draw(&cb, &(gs_graphics_draw_desc_t){.start = 0, .count = 6});
+ gs_graphics_end_render_pass(&cb);
+
+ // Submit command buffer (syncs to GPU, MUST be done on main thread where you have your GPU context created)
+ gs_graphics_submit_command_buffer(&cb);
+}
+
+gs_app_desc_t gs_main(int32_t argc, char** argv)
+{
+ return (gs_app_desc_t){
+ .window_title = "Gunslinger Snake",
+ .init = init,
+ .update = update,
+ .shutdown = free_snake,
+ };
+}
diff --git a/vertex.glsl b/source/vertex.glsl
diff --git a/third_party/include/gs b/third_party/include/gs
@@ -0,0 +1 @@
+Subproject commit 6367f97e5aed0996d647766c9fcc92e7abf46a74
