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Jens
2026-03-21 19:35:45 +01:00
parent 048575c14c
commit f6af3449a6
23 changed files with 354 additions and 80 deletions
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26
compile_commands.json
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@@ -1,31 +1,41 @@
[
{
"directory": "/home/jens/Development/cex/colossus_march",
"arguments": ["/usr/bin/gcc", "-c", "-m64", "-g", "-O0", "-std=c23", "-Isrc", "-Isrc/screens", "-I", "/home/jens/.xmake/packages/r/raylib/5.5/efaf75c5cc7042868d9f9fc4196a080a/include", "-I", "/home/jens/.xmake/packages/b/box2d/v3.1.1/2aecaa50772341c7b9eb7c79ee9859aa/include", "-o", "build/.objs/colossus_march/linux/x86_64/debug/src/screens/intro.c.o", "src/screens/intro.c"],
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"file": "src/screens/intro.c"
},
{
"directory": "/home/jens/Development/cex/colossus_march",
"arguments": ["/usr/bin/gcc", "-c", "-m64", "-g", "-O0", "-std=c23", "-Isrc", "-Isrc/screens", "-I", "/home/jens/.xmake/packages/r/raylib/5.5/efaf75c5cc7042868d9f9fc4196a080a/include", "-I", "/home/jens/.xmake/packages/b/box2d/v3.1.1/2aecaa50772341c7b9eb7c79ee9859aa/include", "-o", "build/.objs/colossus_march/linux/x86_64/debug/src/screens/menu.c.o", "src/screens/menu.c"],
"arguments": ["/usr/bin/gcc", "-c", "-m64", "-g", "-O0", "-std=c23", "-Isrc", "-Isrc/screens", "-Isrc/utils", "-I", "/home/jens/.xmake/packages/r/raylib/5.5/efaf75c5cc7042868d9f9fc4196a080a/include", "-I", "/home/jens/.xmake/packages/b/box2d/v3.1.1/2aecaa50772341c7b9eb7c79ee9859aa/include", "-I", "/home/jens/.xmake/packages/s/stb/2025.03.14/67005fc11486400896028eb775a57270/include", "-I", "/home/jens/.xmake/packages/s/stb/2025.03.14/67005fc11486400896028eb775a57270/include/stb", "-o", "build/.objs/colossus_march/linux/x86_64/debug/src/screens/menu.c.o", "src/screens/menu.c"],
"file": "src/screens/menu.c"
},
{
"directory": "/home/jens/Development/cex/colossus_march",
"arguments": ["/usr/bin/gcc", "-c", "-m64", "-g", "-O0", "-std=c23", "-Isrc", "-Isrc/screens", "-I", "/home/jens/.xmake/packages/r/raylib/5.5/efaf75c5cc7042868d9f9fc4196a080a/include", "-I", "/home/jens/.xmake/packages/b/box2d/v3.1.1/2aecaa50772341c7b9eb7c79ee9859aa/include", "-o", "build/.objs/colossus_march/linux/x86_64/debug/src/screens/game.c.o", "src/screens/game.c"],
"arguments": ["/usr/bin/gcc", "-c", "-m64", "-g", "-O0", "-std=c23", "-Isrc", "-Isrc/screens", "-Isrc/utils", "-I", "/home/jens/.xmake/packages/r/raylib/5.5/efaf75c5cc7042868d9f9fc4196a080a/include", "-I", "/home/jens/.xmake/packages/b/box2d/v3.1.1/2aecaa50772341c7b9eb7c79ee9859aa/include", "-I", "/home/jens/.xmake/packages/s/stb/2025.03.14/67005fc11486400896028eb775a57270/include", "-I", "/home/jens/.xmake/packages/s/stb/2025.03.14/67005fc11486400896028eb775a57270/include/stb", "-o", "build/.objs/colossus_march/linux/x86_64/debug/src/screens/game.c.o", "src/screens/game.c"],
"file": "src/screens/game.c"
},
{
"directory": "/home/jens/Development/cex/colossus_march",
"arguments": ["/usr/bin/gcc", "-c", "-m64", "-g", "-O0", "-std=c23", "-Isrc", "-Isrc/screens", "-I", "/home/jens/.xmake/packages/r/raylib/5.5/efaf75c5cc7042868d9f9fc4196a080a/include", "-I", "/home/jens/.xmake/packages/b/box2d/v3.1.1/2aecaa50772341c7b9eb7c79ee9859aa/include", "-o", "build/.objs/colossus_march/linux/x86_64/debug/src/sprite.c.o", "src/sprite.c"],
"file": "src/sprite.c"
"arguments": ["/usr/bin/gcc", "-c", "-m64", "-g", "-O0", "-std=c23", "-Isrc", "-Isrc/screens", "-Isrc/utils", "-I", "/home/jens/.xmake/packages/r/raylib/5.5/efaf75c5cc7042868d9f9fc4196a080a/include", "-I", "/home/jens/.xmake/packages/b/box2d/v3.1.1/2aecaa50772341c7b9eb7c79ee9859aa/include", "-I", "/home/jens/.xmake/packages/s/stb/2025.03.14/67005fc11486400896028eb775a57270/include", "-I", "/home/jens/.xmake/packages/s/stb/2025.03.14/67005fc11486400896028eb775a57270/include/stb", "-o", "build/.objs/colossus_march/linux/x86_64/debug/src/screens.c.o", "src/screens.c"],
"file": "src/screens.c"
},
{
"directory": "/home/jens/Development/cex/colossus_march",
"arguments": ["/usr/bin/gcc", "-c", "-m64", "-g", "-O0", "-std=c23", "-Isrc", "-Isrc/screens", "-I", "/home/jens/.xmake/packages/r/raylib/5.5/efaf75c5cc7042868d9f9fc4196a080a/include", "-I", "/home/jens/.xmake/packages/b/box2d/v3.1.1/2aecaa50772341c7b9eb7c79ee9859aa/include", "-o", "build/.objs/colossus_march/linux/x86_64/debug/src/main.c.o", "src/main.c"],
"arguments": ["/usr/bin/gcc", "-c", "-m64", "-g", "-O0", "-std=c23", "-Isrc", "-Isrc/screens", "-Isrc/utils", "-I", "/home/jens/.xmake/packages/r/raylib/5.5/efaf75c5cc7042868d9f9fc4196a080a/include", "-I", "/home/jens/.xmake/packages/b/box2d/v3.1.1/2aecaa50772341c7b9eb7c79ee9859aa/include", "-I", "/home/jens/.xmake/packages/s/stb/2025.03.14/67005fc11486400896028eb775a57270/include", "-I", "/home/jens/.xmake/packages/s/stb/2025.03.14/67005fc11486400896028eb775a57270/include/stb", "-o", "build/.objs/colossus_march/linux/x86_64/debug/src/utils/arena.c.o", "src/utils/arena.c"],
"file": "src/utils/arena.c"
},
{
"directory": "/home/jens/Development/cex/colossus_march",
"arguments": ["/usr/bin/gcc", "-c", "-m64", "-g", "-O0", "-std=c23", "-Isrc", "-Isrc/screens", "-Isrc/utils", "-I", "/home/jens/.xmake/packages/r/raylib/5.5/efaf75c5cc7042868d9f9fc4196a080a/include", "-I", "/home/jens/.xmake/packages/b/box2d/v3.1.1/2aecaa50772341c7b9eb7c79ee9859aa/include", "-I", "/home/jens/.xmake/packages/s/stb/2025.03.14/67005fc11486400896028eb775a57270/include", "-I", "/home/jens/.xmake/packages/s/stb/2025.03.14/67005fc11486400896028eb775a57270/include/stb", "-o", "build/.objs/colossus_march/linux/x86_64/debug/src/utils/texture_manager.c.o", "src/utils/texture_manager.c"],
"file": "src/utils/texture_manager.c"
},
{
"directory": "/home/jens/Development/cex/colossus_march",
"arguments": ["/usr/bin/gcc", "-c", "-m64", "-g", "-O0", "-std=c23", "-Isrc", "-Isrc/screens", "-Isrc/utils", "-I", "/home/jens/.xmake/packages/r/raylib/5.5/efaf75c5cc7042868d9f9fc4196a080a/include", "-I", "/home/jens/.xmake/packages/b/box2d/v3.1.1/2aecaa50772341c7b9eb7c79ee9859aa/include", "-I", "/home/jens/.xmake/packages/s/stb/2025.03.14/67005fc11486400896028eb775a57270/include", "-I", "/home/jens/.xmake/packages/s/stb/2025.03.14/67005fc11486400896028eb775a57270/include/stb", "-o", "build/.objs/colossus_march/linux/x86_64/debug/src/main.c.o", "src/main.c"],
"file": "src/main.c"
},
{
"directory": "/home/jens/Development/cex/colossus_march",
"arguments": ["/usr/bin/gcc", "-c", "-m64", "-g", "-O0", "-std=c23", "-Isrc", "-Isrc/screens", "-I", "/home/jens/.xmake/packages/r/raylib/5.5/efaf75c5cc7042868d9f9fc4196a080a/include", "-I", "/home/jens/.xmake/packages/b/box2d/v3.1.1/2aecaa50772341c7b9eb7c79ee9859aa/include", "-o", "build/.objs/colossus_march/linux/x86_64/debug/src/screens.c.o", "src/screens.c"],
"file": "src/screens.c"
"arguments": ["/usr/bin/gcc", "-c", "-m64", "-g", "-O0", "-std=c23", "-Isrc", "-Isrc/screens", "-Isrc/utils", "-I", "/home/jens/.xmake/packages/r/raylib/5.5/efaf75c5cc7042868d9f9fc4196a080a/include", "-I", "/home/jens/.xmake/packages/b/box2d/v3.1.1/2aecaa50772341c7b9eb7c79ee9859aa/include", "-I", "/home/jens/.xmake/packages/s/stb/2025.03.14/67005fc11486400896028eb775a57270/include", "-I", "/home/jens/.xmake/packages/s/stb/2025.03.14/67005fc11486400896028eb775a57270/include/stb", "-o", "build/.objs/colossus_march/linux/x86_64/debug/src/sprite.c.o", "src/sprite.c"],
"file": "src/sprite.c"
}]

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16
src/game_defs.h Normal file
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@@ -0,0 +1,16 @@
#pragma once
#include "utils/defs.h"
#define GAME_NAME "Colossus March"
#define BG CLITERAL(Color){243, 223, 162, 255}
#define BALL CLITERAL(Color){126, 189, 194, 255}
#define BLOCK CLITERAL(Color){187, 68, 48, 255}
typedef struct GameContext {
size screen_width;
size screen_height;
bool exit;
} GameContext;
extern GameContext g_ctx;

16
src/main.c
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@@ -1,19 +1,31 @@
#include <stdint.h>
#include "defs.h"
#include "game_defs.h"
#include "raylib.h"
#include "screens.h"
GameContext g_ctx = {0};
void update_game_context()
{
if (IsWindowResized()) {
g_ctx.screen_width = GetScreenWidth();
g_ctx.screen_height = GetScreenHeight();
}
}
int main(void)
{
SetConfigFlags(FLAG_WINDOW_RESIZABLE);
InitWindow(800, 600, "flappu");
SetTargetFPS(144);
SetExitKey(KEY_F12);
SetExitKey(KEY_F4);
update_game_context();
screen_init();
while (!WindowShouldClose() && !g_ctx.exit) {
update_game_context();
screen_update();
BeginDrawing();

17
src/screens.c
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@@ -4,7 +4,7 @@
#include "intro.h"
#include "menu.h"
static Screen active_screen = Intro;
static Screen active_screen = Game;
void screen_switch_to(Screen screen)
{
@@ -34,6 +34,21 @@ void screen_switch_to(Screen screen)
}
}
void screen_init()
{
switch (active_screen) {
case Intro: {
// intro_screen_init();
} break;
case Menu: {
// menu_screen_init();
} break;
case Game: {
game_screen_init();
} break;
}
}
void screen_update()
{
switch (active_screen) {

1
src/screens.h
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@@ -7,5 +7,6 @@ typedef enum Screen {
} Screen;
void screen_switch_to(Screen screen);
void screen_init();
void screen_update();
void screen_draw();

107
src/screens/game.c
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@@ -3,19 +3,71 @@
#include <stddef.h>
#include <stdlib.h>
#include "game_defs.h"
#include "pool.h"
#include "raylib.h"
#include "raymath.h"
#include "screens.h"
#include "sprite.h"
#include "texture_manager.h"
#include "utils/arena.h"
// TODO: remove
typedef struct Bullet {
Sprite* sprite;
Vector2 pos;
} Bullet;
static Player player;
static Camera2D cam;
static Texture2D noise_terrain_texture;
static TextureManager tm;
static bool paused = false;
static bool game_over = false;
void process_input()
static Arena screen_arena;
static Arena frame_arena;
static Pool bullet_pool;
static Texture2D bullet_texture;
void update_camera()
{
if (IsWindowResized()) {
cam.offset =
(Vector2){g_ctx.screen_width / 2.0f, g_ctx.screen_height / 2.0f};
}
cam.target = Vector2Lerp(cam.target, player.pos, 0.1);
}
Sprite* new_bullet()
{
return sprite_from_texture(bullet_texture, NULL, NULL, &RED, &screen_arena);
}
void process_input(float dt)
{
// Movement
if (IsKeyDown(KEY_W)) {
player.pos.y -= player.walk_speed * dt;
}
if (IsKeyDown(KEY_S)) {
player.pos.y += player.walk_speed * dt;
}
if (IsKeyDown(KEY_A)) {
player.pos.x -= player.walk_speed * dt;
}
if (IsKeyDown(KEY_D)) {
player.pos.x += player.walk_speed * dt;
}
if (IsKeyPressed(KEY_SPACE)) {
Bullet b = {.sprite = new_bullet(), .pos = player.pos};
pool_push(&bullet_pool, &b);
}
if (IsKeyPressed(KEY_P)) {
paused = true;
}
@@ -27,24 +79,38 @@ void process_input()
void game_screen_init()
{
screen_arena = arena_init(MB(5));
frame_arena = arena_init(KB(10));
bullet_pool = pool_init(sizeof(Bullet), 10, &screen_arena);
tm = tm_init();
bullet_texture = tm_load_texture(&tm, "assets/bullet.png");
paused = 0;
game_over = 0;
Image noise_image = GenImagePerlinNoise(2000, 2000, 0, 0, 2);
noise_terrain_texture = tm_load_texture_from_image(&tm, noise_image);
Sprite* player_sprite = sprite_new("assets/ball.png",
&(Vector2){100, 400},
NULL,
&(Rectangle){0, 0, 32, 32},
&BALL);
&BALL,
&screen_arena,
&tm);
Animation* anim = malloc(sizeof(Animation));
if (!anim) abort();
Animation* anim =
arena_alloc(&screen_arena, sizeof(Animation), sizeof(Animation));
*anim = (Animation){
.current_frame = 0, .frame_count = 3, .current_time = 0, .fps = 4};
player_sprite->animation = anim;
player = (Player){player_sprite};
player.walk_speed = 100;
cam = (Camera2D){{200, GetScreenHeight() / 2.0f}, player.sprite->pos, 0, 2};
cam = (Camera2D){
{GetScreenWidth() / 2.0f, GetScreenHeight() / 2.0f}, player.pos, 0, 2};
}
void game_screen_update()
@@ -60,30 +126,41 @@ void game_screen_update()
if (paused) return;
update_camera();
float dt = GetFrameTime();
process_input();
// Update Camera
cam.target = Vector2Lerp(cam.target, player.sprite->pos, 0.1);
process_input(dt);
// Update Animation
// TODO: make it scalable
animation_update(player.sprite->animation);
animation_update(player.sprite->animation, dt);
};
void game_screen_draw()
{
BeginMode2D(cam);
// Draw Stuff
sprite_draw(player.sprite);
// Draw Terrain
DrawTexture(noise_terrain_texture, -400, -400, WHITE);
// Draw player
sprite_draw(player.sprite, player.pos);
// Draw Bullets
for (size i = 0; i < bullet_pool.len; i++) {
Bullet* b = pool_get(&bullet_pool, i);
sprite_draw(b->sprite, b->pos);
}
EndMode2D();
// cleaning frame dependent memory
arena_reset(&frame_arena);
}
void game_screen_cleanup()
{
// free player
sprite_free(player.sprite);
tm_free(&tm);
arena_reset(&screen_arena);
};

2
src/screens/game.h
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@@ -4,6 +4,8 @@
typedef struct Player {
Sprite* sprite;
Vector2 pos;
float walk_speed;
} Player;
void game_screen_init();

2
src/screens/intro.c
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@@ -1,6 +1,6 @@
#include "intro.h"
#include "defs.h"
#include "game_defs.h"
#include "raylib.h"
#include "screens.h"

2
src/screens/menu.c
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@@ -3,7 +3,7 @@
#include <stddef.h>
#include <stdint.h>
#include "defs.h"
#include "game_defs.h"
#include "raylib.h"
#include "screens.h"

54
src/sprite.c
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@@ -1,33 +1,21 @@
#include "sprite.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include "raylib.h"
#include "raymath.h"
void* xmalloc(size_t size)
Sprite* sprite_from_texture(Texture2D tex,
Vector2* anchor,
Rectangle* source,
Color* color,
Arena* arena)
{
void* p = malloc(size);
if (!p) abort();
return p;
}
Sprite* sprite_new(const char* path,
Vector2* pos,
Vector2* anchor,
Rectangle* source,
Color* color)
{
assert(path && "path must not be empty");
Sprite* sprite = xmalloc(sizeof(Sprite));
Sprite* sprite = arena_alloc(arena, sizeof(Sprite), sizeof(Sprite));
if (!sprite) abort();
sprite->tex = LoadTexture(path);
sprite->pos = pos != NULL ? *pos : (Vector2){0, 0};
sprite->tex = tex;
sprite->source =
source != NULL
@@ -45,7 +33,20 @@ Sprite* sprite_new(const char* path,
return sprite;
}
void sprite_draw(Sprite* s)
Sprite* sprite_new(const char* path,
Vector2* anchor,
Rectangle* source,
Color* color,
Arena* arena,
TextureManager* tm)
{
assert(path && "path must not be empty");
Texture2D tex = tm_load_texture(tm, path);
return sprite_from_texture(tex, anchor, source, color, arena);
}
void sprite_draw(Sprite* s, Vector2 pos)
{
Rectangle source = s->source;
@@ -54,23 +55,14 @@ void sprite_draw(Sprite* s)
source.x = source.width * (float)s->animation->current_frame;
}
DrawTextureRec(
s->tex, source, Vector2Subtract(s->pos, s->anchor), s->color);
}
void sprite_free(Sprite* s)
{
if (s->animation) free(s->animation);
UnloadTexture(s->tex);
free(s);
DrawTextureRec(s->tex, source, Vector2Subtract(pos, s->anchor), s->color);
}
//
// Animation System
//
void animation_update(Animation* a)
void animation_update(Animation* a, float dt)
{
float dt = GetFrameTime();
a->current_time += dt;
if (a->current_time >= 1.0f / a->fps) {

20
src/sprite.h
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@@ -1,7 +1,9 @@
#pragma once
#include "defs.h"
#include "raylib.h"
#include "texture_manager.h"
#include "utils/arena.h"
#include "utils/defs.h"
typedef struct Animation {
u8 frame_count;
@@ -12,21 +14,27 @@ typedef struct Animation {
typedef struct Sprite {
Texture2D tex;
Vector2 pos;
Vector2 anchor;
Rectangle source;
Color color;
Animation* animation;
} Sprite;
Sprite* sprite_from_texture(Texture2D tex,
Vector2* anchor,
Rectangle* source,
Color* color,
Arena* arena);
Sprite* sprite_new(const char* path,
Vector2* pos,
Vector2* anchor,
Rectangle* source,
Color* color);
Color* color,
Arena* arena,
TextureManager* tm);
void sprite_draw(Sprite* sprite);
void sprite_draw(Sprite* sprite, Vector2 pos);
void sprite_free(Sprite* sprite);
void animation_update(Animation* a);
void animation_update(Animation* a, float dt);

3
src/stb_impl.c Normal file
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@@ -0,0 +1,3 @@
#define STB_DS_IMPLEMENTATION
#include "stb_ds.h"

36
src/utils/arena.c Normal file
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@@ -0,0 +1,36 @@
#include "arena.h"
#include <assert.h>
#include <stdlib.h>
Arena arena_init(size size)
{
Arena a = {0};
a.buffer = malloc(size);
if (!a.buffer) {
abort();
}
a.size = size;
return a;
}
void* arena_alloc(Arena* a, size bytes, size align)
{
size aligned_offset = (a->offset + align - 1) & ~(align - 1);
assert(aligned_offset + bytes <= a->size && "arena too small");
void* ptr = a->buffer + aligned_offset;
a->offset = aligned_offset + bytes;
return ptr;
}
void arena_reset(Arena* a)
{
a->offset = 0;
}
void arena_destroy(Arena* a)
{
free(a->buffer);
}

14
src/utils/arena.h Normal file
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@@ -0,0 +1,14 @@
#pragma once
#include "defs.h"
typedef struct Arena {
u8* buffer;
size size;
size offset;
} Arena;
Arena arena_init(size size);
void* arena_alloc(Arena* a, size bytes, size align);
void arena_reset(Arena* a);
void arena_destroy(Arena* a);

15
src/defs.h → src/utils/defs.h
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@@ -3,14 +3,6 @@
#include <stddef.h>
#include <stdint.h>
#include "raylib.h"
#define GAME_NAME "Colossus March"
#define BG CLITERAL(Color){243, 223, 162, 255}
#define BALL CLITERAL(Color){126, 189, 194, 255}
#define BLOCK CLITERAL(Color){187, 68, 48, 255}
#define length(a) (sizeof(a) / sizeof(*a))
#define append(a, i) \
@@ -31,8 +23,5 @@ typedef uint16_t u16;
typedef uint32_t u32;
typedef uint64_t u64;
typedef struct GameContext {
bool exit;
} GameContext;
extern GameContext g_ctx;
#define KB(count) 1024 * (count)
#define MB(count) 1024 * 1024 * (count)

27
src/utils/pool.c Normal file
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#include "pool.h"
#include <assert.h>
#include <string.h>
#include "arena.h"
Pool pool_init(size item_size, size cap, Arena* a)
{
return (Pool){.buf = arena_alloc(a, item_size * cap, sizeof(u8)),
.item_size = item_size,
.cap = cap};
}
void pool_push(Pool* p, void* item)
{
memcpy(p->buf + (p->offset * p->item_size), item, p->item_size);
p->offset = (p->offset + 1) % p->cap;
if (p->len < p->cap) p->len++;
}
void* pool_get(Pool* p, size index)
{
assert(index < p->len && "index too big");
size actual = (p->offset - p->len + index + p->cap) % p->cap;
return p->buf + actual * p->item_size;
}

16
src/utils/pool.h Normal file
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#pragma once
#include "arena.h"
#include "defs.h"
typedef struct Pool {
u8* buf;
size item_size;
size cap;
size offset;
size len;
} Pool;
Pool pool_init(size item_size, size cap, Arena* a);
void pool_push(Pool* p, void* item);
void* pool_get(Pool* p, size index);

43
src/utils/texture_manager.c Normal file
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#include "texture_manager.h"
#include <stb_ds.h>
#include <stddef.h>
#include "defs.h"
#include "raylib.h"
TextureManager tm_init()
{
TextureManager tm = {0};
tm.textures = NULL;
// setting default cap of textures
arrsetcap(tm.textures, 64);
return tm;
}
Texture2D tm_load_texture(TextureManager* tm, const char* path)
{
Texture2D tex = LoadTexture(path);
arrpush(tm->textures, tex);
return tex;
}
Texture2D tm_load_texture_from_image(TextureManager* tm, Image image)
{
Texture2D tex = LoadTextureFromImage(image);
arrpush(tm->textures, tex);
return tex;
}
void tm_free(TextureManager* tm)
{
for (size i = 0; i < arrlen(tm->textures); i++) {
UnloadTexture(tm->textures[i]);
}
arrfree(tm->textures);
}

13
src/utils/texture_manager.h Normal file
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#pragma once
#include "raylib.h"
typedef struct TextureManager {
Texture2D* textures;
} TextureManager;
TextureManager tm_init();
Texture2D tm_load_texture(TextureManager* tm, const char* path);
Texture2D tm_load_texture_from_image(TextureManager* tm, Image image);
void tm_free(TextureManager* tm);

4
xmake.lua
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@@ -1,12 +1,12 @@
add_rules("mode.debug", "mode.release")
add_requires("raylib", "box2d")
add_requires("raylib", "box2d", "stb")
target("colossus_march")
set_languages("c23")
set_kind("binary")
add_files("src/**.c")
add_packages("raylib", "box2d")
add_packages("raylib", "box2d", "stb")
add_includedirs("src", os.dirs("src/**"))
set_rundir("$(projectdir)")