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#include <SDL2/SDL.h>
#include <vulkan/vulkan.h>
#include <shaderc/shaderc.h>
#include <vulkan/vulkan_core.h>
#define VKSETUP_IMPLEMENTATION
#include "vksetup.h"
#define CGLM_FORCE_DEPTH_ZERO_TO_ONE
#include "../lib/cglm/include/cglm/cglm.h"
#pragma once
#define MAX_FRAMES_IN_FLIGHT 2
typedef struct {
vec3 pos;
vec3 front;
vec3 up;
float yaw;
float pitch;
float lastX;
float lastY;
float fov;
} camera3d;
typedef struct {
mat4 model;
mat4 view;
mat4 proj;
vec2 resolution;
float time;
float dt;
} UniformBufferObject;
typedef struct {
VkCommandBuffer vk_command_buffer;
VkSemaphore image_available_semaphore;
VkSemaphore render_finished_semaphore;
VkFence in_flight_fence;
vks_buffer uniform_buffer;
void * uniform_buffer_mapped;
VkDescriptorSet vk_descriptor_set;
VkDescriptorSet vk_compute_descriptor_set;
vks_buffer shader_storage_buffer;
} frame_data;
typedef struct {
float x;
float y;
} V2;
typedef struct {
float x;
float y;
float z;
} V3;
typedef struct {
V3 pos;
V3 normal;
V2 texCoord;
} Vertex;
typedef struct {
vec2 position;
vec2 velocity;
vec4 color;
} Particle;
typedef struct state {
camera3d camera;
int window_w, window_h;
int cell_w, cell_h;
int grid_w, grid_h;
int char_w, char_h;
int char_x, char_y;
int rotate;
int mouse_pressed;
int middle_click;
float x;
int zoom;
UniformBufferObject ubo;
int sdl_window_resized;
VkDebugUtilsMessengerEXT vk_debug_messenger;
PFN_vkCreateDebugUtilsMessengerEXT pfnCreateDebugUtilsMessengerEXT;
PFN_vkDestroyDebugUtilsMessengerEXT pfnDestroyDebugUtilsMessengerEXT;
vks_context vk;
VkQueue vk_graphics_queue;
VkQueue vk_present_queue;
VkDescriptorSetLayout vk_descriptor_set_layout;
vks_pipeline graphics_pipeline;
VkCommandPool vk_command_pool;
frame_data frames[MAX_FRAMES_IN_FLIGHT];
vks_buffer vertex_buffer;
vks_buffer index_buffer;
VkDescriptorPool vk_descriptor_pool;
shaderc_compilation_result_t prev_vert_result;
shaderc_compilation_result_t prev_frag_result;
shaderc_compilation_result_t prev_comp_result;
uint32_t vk_mip_levels;
vks_image texture_image;
VkSampler vk_texture_sampler;
vks_image depth_image;
VkPolygonMode polygon_mode;
Vertex *vertices;
size_t vertices_count;
uint32_t * indices;
size_t indices_count;
char model_path[1000];
VkSampleCountFlagBits msaa_samples;
vks_image color_image;
VkDescriptorSetLayout vk_compute_descriptor_set_layout;
VkPipelineLayout vk_compute_pipeline_layout;
VkPipeline vk_compute_pipeline;
} state_t;
static void
init_state(state_t *s)
{
strcpy(s->model_path, "assets/monkey.obj");
s->camera.pos[0] = 2.0f;
s->camera.pos[1] = 2.0f;
s->camera.pos[2] = 2.0f;
s->camera.front[0] = 0.0f;
s->camera.front[1] = 0.0f;
s->camera.front[2] = 0.0f;
s->camera.up[0] = 0.0f;
s->camera.up[1] = 0.0f;
s->camera.up[2] = 1.0f;
s->camera.yaw = 0.0f;
s->camera.pitch = -90.0f;
s->camera.lastX = 400.0f;
s->camera.lastY = 300.0f;
s->camera.fov = 45.0f;
s->rotate = 0;
s->mouse_pressed = 0;
s->middle_click = 0;
s->sdl_window_resized = 0;
s->window_w = 800;
s->window_h = 600;
s->cell_w = 10;
s->cell_h = 10;
s->grid_w = 0;
s->grid_h = 0;
s->char_w = 0;
s->char_h = 0;
s->char_x = 0;
s->char_y = 0;
s->zoom = 10;
s->x = 0.0f;
glm_mat4_identity(s->ubo.model);
s->vk.window = NULL;
s->vk.swapchain.image_count = 0;
s->vk.physical_device = VK_NULL_HANDLE;
s->prev_vert_result = NULL;
s->prev_frag_result = NULL;
s->polygon_mode = VK_POLYGON_MODE_FILL;
s->msaa_samples = VK_SAMPLE_COUNT_1_BIT;
}
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