software.h

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// TRAMWAY DRIFT AND DUNGEON EXPLORATION SIMULATOR 2022
// All rights reserved.
 
#ifndef TRAM_SDK_RENDER_SOFTWARE_SOFTWARE_H
#define TRAM_SDK_RENDER_SOFTWARE_SOFTWARE_H
 
#include <render/render.h>
#include <render/renderer.h>
 
namespace tram::Render::API {
 
struct SWLight {
    vec3 location = {0.0f, 0.0f, 0.0f};
    vec3 color = {0.0f, 0.0f, 0.0f};
    float distance = 0.0f;
    vec3 direction = {0.0f, 0.0f, -1.0f};
    float exponent = 0.0f;
};
 
enum SWTextureMode {
    SW_NEAREST,
    SW_BLENDED
};
 
struct SWTexture {
    int width;
    int height;
    int channels;
    SWTextureMode mode = SW_NEAREST;
    uint8_t* pixels = nullptr;
};
 
enum SWVertexType {
    SW_STATIC_LIGHTMAPPED,
    SW_DYNAMIC_BLENDED,
    SW_STATIC_COLORED,
    SW_SPRITE
};
 
struct FFPHelper {
    int position = -1;
    int normal = -1;
    int color = -1;
    int texture = -1;
    int lightmap = -1;
    int bone_index = -1;
    int bone_weight = -1;
};
 
struct SWVertexArray {
    SWVertexType type = SW_STATIC_LIGHTMAPPED;
    void* vertices = nullptr;
    size_t vertex_count = 0;
    VertexDefinition format;
    FFPHelper helper;
};
 
struct SWIndexArray {
    size_t index_count = 0;
    uint32_t* indices = nullptr;
#ifndef __x86_64__
    void* padding;
#endif
};
 
struct SWDrawListEntry {
    uint32_t flags = 0;
 
    Pose* pose = nullptr;
    
    mat4 matrix = mat4(1.0f);
 
    SWLight* lights[4] = {nullptr, nullptr, nullptr, nullptr};
    
    uint32_t layer = 0;
    SWTexture* lightmap = nullptr;
    SWVertexArray* vertex_array = nullptr;
    SWIndexArray* index_array = nullptr;
    uint32_t index_length = 0;
    uint32_t index_offset = 0;
    SWTexture* texture = nullptr;
    vec4 color = {1.0f, 1.0f, 1.0f, 1.0f};
    float specular_weight = 1.0f;
    float specular_exponent = 1.0f;
    float specular_transparency = 1.0f;
};
 
}
 
#endif // TRAM_SDK_RENDER_SOFTWARE_SOFTWARE_H