abdelrahman/dod-test
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Rename main.c to no_dod.c

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Abdelrahman Said
2025-05-10 20:57:32 +01:00
parent c3db3406bd
commit 716ea8638d
5 changed files with 226 additions and 139 deletions
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2
.gitignore vendored
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@@ -1,6 +1,6 @@
.cache
compile_commands.json
main
no_dod
*.png
raylib
raylib-build

5
Makefile
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@@ -2,12 +2,11 @@ BUILD_TYPE = debug
CC = clang
CFLAGS = -Iraylib/include -Iwapp/src
LDFLAGS = '-Wl,-rpath,$$ORIGIN/raylib/lib' -Lraylib/lib -lraylib
OUT = main
ifeq ($(BUILD_TYPE),debug)
CFLAGS += -g
else
CFLAGS += -O2
CFLAGS += -O2 -DNDEBUG
endif
.PHONY: all raylib game
@@ -21,4 +20,4 @@ raylib:
game: raylib
cd wapp && python3 -m codegen
$(CC) $(CFLAGS) $(LDFLAGS) main.c wapp/src/wapp.c -o $(OUT)
$(CC) $(CFLAGS) $(LDFLAGS) no_dod.c wapp/src/wapp.c -o no_dod

134
main.c
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@@ -1,134 +0,0 @@
#include "wapp.h"
#include "raylib.h"
#include <stdint.h>
#include <assert.h>
#define WIDTH 1280
#define HEIGHT 720
#define HALF_WIDTH (WIDTH * 0.5f)
#define HALF_HEIGHT (HEIGHT * 0.5f)
#define MAX_OBJ_DIM 30
#define MIN_OBJ_DIM 15
#define BG_COLOR (Color){.r = 0xea, .g = 0xf2, .b = 0xe3, .a = 0xff}
#define FG_COLOR (Color){.r = 0x42, .g = 0x4C, .b = 0x55, .a = 0xff}
#define OBJECT_COUNT 10
#define MSG_BUF_LEN 4096
#define abs(A) (A < 0 ? A * -1 : A)
#define min(A, B) (A < B ? A : B)
#define max(A, B) (A > B ? A : B)
#define OBJECT_COMMON struct {Position position; Scale scale;}
typedef struct Position Position;
struct Position {
f32 x;
f32 y;
};
typedef struct Scale Scale;
struct Scale {
f32 width;
f32 height;
};
typedef struct Velocity Velocity;
struct Velocity {
f32 x;
f32 y;
};
typedef struct Wanderer Wanderer;
struct Wanderer {
OBJECT_COMMON;
Velocity velocity;
};
typedef struct SlowZone SlowZone;
struct SlowZone {
OBJECT_COMMON;
};
void init_wanderer(Wanderer *wanderer, XOR256State *state);
void move_wanderer(Wanderer *wanderer);
f32 get_random_float(XOR256State *state);
int main(void) {
InitWindow(WIDTH, HEIGHT, "DOD test");
SetTargetFPS(120);
Allocator arena = wapp_mem_arena_allocator_init(MB(10));
XOR256State state = wapp_prng_xorshift_init_state();
Wanderer *objects = wapp_mem_allocator_alloc(&arena, sizeof(Wanderer) * OBJECT_COUNT);
assert(objects != NULL);
for (u64 i = 0; i < OBJECT_COUNT; ++i) {
Wanderer *object = &(objects[i]);
init_wanderer(object, &state);
}
while (!WindowShouldClose()) {
for (u64 i = 0; i < OBJECT_COUNT; ++i) {
Wanderer *object = &(objects[i]);
move_wanderer(object);
}
BeginDrawing();
ClearBackground(BG_COLOR);
for (u64 i = 0; i < OBJECT_COUNT; ++i) {
Wanderer *object = &(objects[i]);
DrawRectangle(
(i32)object->position.x,
(i32)object->position.y,
(i32)object->scale.width,
(i32)object->scale.height,
FG_COLOR
);
}
EndDrawing();
}
wapp_mem_arena_allocator_destroy(&arena);
CloseWindow();
return 0;
}
void init_wanderer(Wanderer *wanderer, XOR256State *state) {
wanderer->position = (Position){
.x = wapp_prng_xorshift_256(state) % WIDTH,
.y = wapp_prng_xorshift_256(state) % HEIGHT,
};
f32 scale = (f32)((wapp_prng_xorshift_256(state) % (MAX_OBJ_DIM + 1 - MIN_OBJ_DIM)) + MIN_OBJ_DIM);
wanderer->scale = (Scale){
.width = scale,
.height = scale,
};
wanderer->velocity = (Velocity){
.x = get_random_float(state),
// .y = get_random_float(state),
.y = 0.0f,
};
}
void move_wanderer(Wanderer *wanderer) {
wanderer->position.x += wanderer->velocity.x;
wanderer->position.y += wanderer->velocity.y;
if (wanderer->position.x > WIDTH ||
wanderer->position.x + wanderer->scale.width < 0 ||
wanderer->position.y > HEIGHT ||
wanderer->position.y + wanderer->scale.height < 0
) {
}
}
f32 get_random_float(XOR256State *state) {
i64 random = (i64)wapp_prng_xorshift_256(state) - INT64_MAX;
return (f32)(random) / (f32)(INT64_MAX);
}

222
no_dod.c Normal file
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@@ -0,0 +1,222 @@
#include "wapp.h"
#include "raylib.h"
#include <stdint.h>
#include <stdbool.h>
#include <assert.h>
#define WIDTH 1280
#define HEIGHT 720
#define HALF_WIDTH (WIDTH * 0.5f)
#define HALF_HEIGHT (HEIGHT * 0.5f)
#define MAX_WANDERER_DIM 8
#define MIN_WANDERER_DIM 3
#define MIN_ZONE_DIM 30
#define BG_COLOR (Color){.r = 0xea, .g = 0xf2, .b = 0xe3, .a = 0xff}
#define FG_COLOR (Color){.r = 0x42, .g = 0x4C, .b = 0x55, .a = 0xff}
#define ZONE_COLOR (Color){.r = 0xb4, .g = 0x65, .b = 0x4a, .a = 0xff}
#define WANDERER_COUNT 50000
#define ZONE_COUNT 5
#define WANDERER_SLOWDOWN_FACTOR 0.5f
#define WANDERER_SPEEDUP_FACTOR 2.0f
#define MSG_BUF_LEN 4096
#define abs(A) (A < 0 ? A * -1 : A)
#define min(A, B) (A < B ? A : B)
#define max(A, B) (A > B ? A : B)
#define OBJECT_COMMON struct {Position position; Scale scale;}
typedef struct Position Position;
struct Position {
f32 x;
f32 y;
};
typedef struct Scale Scale;
struct Scale {
f32 width;
f32 height;
};
typedef struct Velocity Velocity;
struct Velocity {
f32 x;
f32 y;
};
typedef struct Wanderer Wanderer;
struct Wanderer {
OBJECT_COMMON;
Velocity velocity;
bool slow;
};
typedef struct SlowZone SlowZone;
struct SlowZone {
OBJECT_COMMON;
};
void init_wanderer(Wanderer *wanderer, XOR256State *state);
void move_wanderer(Wanderer *wanderer, const SlowZone *zones);
void render_wanderer(const Wanderer *wanderer);
void init_slow_zone(SlowZone *zone, XOR256State *state);
#ifndef NDEBUG
void render_slow_zone(const SlowZone *zone);
#endif
bool inside_zone(const Wanderer *wanderer, const SlowZone *zone);
f32 get_random_float(XOR256State *state);
int main(void) {
InitWindow(WIDTH, HEIGHT, "DOD test");
SetTargetFPS(120);
Allocator arena = wapp_mem_arena_allocator_init(MB(10));
XOR256State state = wapp_prng_xorshift_init_state();
Wanderer *wanderers = wapp_mem_allocator_alloc(&arena, sizeof(Wanderer) * WANDERER_COUNT);
SlowZone *zones = wapp_mem_allocator_alloc(&arena, sizeof(SlowZone) * ZONE_COUNT);
assert(wanderers != NULL && zones != NULL);
for (u64 i = 0; i < WANDERER_COUNT; ++i) {
init_wanderer(&(wanderers[i]), &state);
}
for (u64 i = 0; i < ZONE_COUNT; ++i) {
init_slow_zone(&(zones[i]),&state);
}
while (!WindowShouldClose()) {
for (u64 i = 0; i < WANDERER_COUNT; ++i) {
move_wanderer(&(wanderers[i]), zones);
}
BeginDrawing();
ClearBackground(BG_COLOR);
#ifndef NDEBUG
for (u64 i = 0; i < ZONE_COUNT; ++i) {
render_slow_zone(&(zones[i]));
}
#endif
for (u64 i = 0; i < WANDERER_COUNT; ++i) {
render_wanderer(&(wanderers[i]));
}
EndDrawing();
}
wapp_mem_arena_allocator_destroy(&arena);
CloseWindow();
return 0;
}
void init_wanderer(Wanderer *wanderer, XOR256State *state) {
wanderer->position = (Position){
.x = wapp_prng_xorshift_256(state) % WIDTH,
.y = wapp_prng_xorshift_256(state) % HEIGHT,
};
f32 scale = (f32)((wapp_prng_xorshift_256(state) % (MAX_WANDERER_DIM + 1 - MIN_WANDERER_DIM)) + MIN_WANDERER_DIM);
wanderer->scale = (Scale){
.width = scale,
.height = scale,
};
wanderer->velocity = (Velocity){
.x = get_random_float(state),
.y = get_random_float(state),
};
}
void move_wanderer(Wanderer *wanderer, const SlowZone *zones) {
wanderer->position.x += wanderer->velocity.x;
wanderer->position.y += wanderer->velocity.y;
f32 max_x = WIDTH - wanderer->scale.width;
f32 max_y = HEIGHT - wanderer->scale.height;
if (wanderer->position.x < 0 || wanderer->position.x >= max_x) {
wanderer->position.x = min(max(wanderer->position.x, 0), max_x);
wanderer->velocity.x *= -1;
}
if (wanderer->position.y < 0 || wanderer->position.y >= max_y) {
wanderer->position.y = min(max(wanderer->position.y, 0), max_y);
wanderer->velocity.y *= -1;
}
bool was_slow = wanderer->slow;
wanderer->slow = false;
for (u64 i = 0; i < ZONE_COUNT; ++i) {
if (inside_zone(wanderer, &(zones[i]))) {
wanderer->slow = true;
break;
}
}
if (!was_slow && wanderer->slow) {
wanderer->velocity.x *= WANDERER_SLOWDOWN_FACTOR;
wanderer->velocity.y *= WANDERER_SLOWDOWN_FACTOR;
} else if (was_slow && !(wanderer->slow)) {
wanderer->velocity.x *= WANDERER_SPEEDUP_FACTOR;
wanderer->velocity.y *= WANDERER_SPEEDUP_FACTOR;
}
}
void render_wanderer(const Wanderer *wanderer) {
Color color = wanderer->slow ? ZONE_COLOR : FG_COLOR;
DrawRectangle(
(i32)wanderer->position.x,
(i32)wanderer->position.y,
(i32)wanderer->scale.width,
(i32)wanderer->scale.height,
color
);
}
void init_slow_zone(SlowZone *zone, XOR256State *state) {
zone->position = (Position){
.x = wapp_prng_xorshift_256(state) % WIDTH,
.y = wapp_prng_xorshift_256(state) % HEIGHT,
};
zone->scale = (Scale){
.width = wapp_prng_xorshift_256(state) % ((u64)HALF_WIDTH - MIN_ZONE_DIM) + MIN_ZONE_DIM,
.height = wapp_prng_xorshift_256(state) % ((u64)HALF_HEIGHT - MIN_ZONE_DIM) + MIN_ZONE_DIM,
};
}
#ifndef NDEBUG
void render_slow_zone(const SlowZone *zone) {
DrawRectangleLines(
zone->position.x,
zone->position.y,
zone->scale.width,
zone->scale.height,
ZONE_COLOR
);
}
#endif
bool inside_zone(const Wanderer *wanderer, const SlowZone *zone) {
f32 wanderer_min_x = wanderer->position.x + wanderer->scale.width;
f32 wanderer_min_y = wanderer->position.y + wanderer->scale.height;
f32 wanderer_max_x = wanderer->position.x;
f32 wanderer_max_y = wanderer->position.y;
f32 zone_x0 = zone->position.x;
f32 zone_y0 = zone->position.y;
f32 zone_x1 = zone->position.x + zone->scale.width;
f32 zone_y1 = zone->position.y + zone->scale.height;
return (wanderer_min_x > zone_x0 && wanderer_min_y > zone_y0 &&
wanderer_max_x < zone_x1 && wanderer_max_y < zone_y1);
}
f32 get_random_float(XOR256State *state) {
i64 random = (i64)wapp_prng_xorshift_256(state) - INT64_MAX;
return (f32)(random) / (f32)(INT64_MAX);
}

2
test
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@@ -1,4 +1,4 @@
#!/bin/bash
./build $@
./main
./no_dod