80 lines
1.7 KiB
C
80 lines
1.7 KiB
C
#ifndef RASTERISER_H
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#define RASTERISER_H
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#include "aliases.h"
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#include "camera/camera.h"
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#include "list/typed_list.h"
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#include "mem_arena.h"
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#include "vector/vec.h"
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#include "window/window.h"
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typedef struct {
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u64 idx0;
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u64 idx1;
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u64 idx2;
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colour_t colour;
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} scene_triangle_t;
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MAKE_LIST_TYPE(f32);
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MAKE_LIST_TYPE(vec2i_t);
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MAKE_LIST_TYPE(vec3f_t);
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MAKE_LIST_TYPE(scene_triangle_t);
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typedef struct {
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vec2i_t p0;
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vec2i_t p1;
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} line_t;
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typedef struct {
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vec2i_t p0;
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vec2i_t p1;
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vec2i_t p2;
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f32 h0;
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f32 h1;
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f32 h2;
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colour_t colour;
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} triangle_t;
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typedef struct {
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list_vec3f_t *vertices;
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list_scene_triangle_t *triangles;
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} model_t;
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typedef struct {
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f32 scale;
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vec3f_t rotation;
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vec3f_t position;
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} transform_t;
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typedef struct {
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model_t *model;
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transform_t transform;
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} instance_t;
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typedef struct {
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vec3f_t normal;
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f32 distance;
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} clipping_plane_t;
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typedef struct {
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u64 instance_count;
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instance_t *instances;
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camera_t *camera;
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const mat3x4f_t *proj_matrix;
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clipping_plane_t near;
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clipping_plane_t left;
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clipping_plane_t right;
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clipping_plane_t bottom;
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clipping_plane_t top;
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} rasteriser_scene_t;
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void render_scene(window_t *wnd, Arena *arena, const rasteriser_scene_t *scene);
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void render_instance(window_t *wnd, Arena *arena, mat4x4f_t camera_matrix,
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mat3x4f_t projection_matrix, const instance_t *instance);
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void draw_wireframe_triangle(window_t *wnd, Arena *arena, triangle_t triangle);
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void draw_filled_triangle(window_t *wnd, Arena *arena, triangle_t triangle);
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void draw_shaded_triangle(window_t *wnd, Arena *arena, triangle_t triangle);
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void draw_line(window_t *wnd, Arena *arena, line_t line, colour_t colour);
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#endif // !RASTERISER_H
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