75 lines
1.7 KiB
C
75 lines
1.7 KiB
C
#pragma once
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#include "pxl8_math.h"
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#include "pxl8_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define PXL8_MESH_MAX_VERTICES 65536
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#define PXL8_MESH_MAX_INDICES 65536
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typedef enum pxl8_blend_mode {
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PXL8_BLEND_OPAQUE = 0,
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PXL8_BLEND_ALPHA_TEST,
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PXL8_BLEND_ALPHA,
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PXL8_BLEND_ADDITIVE,
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} pxl8_blend_mode;
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typedef struct pxl8_gfx_material {
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char name[16];
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pxl8_vec3 u_axis;
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pxl8_vec3 v_axis;
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f32 u_offset;
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f32 v_offset;
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u32 texture_id;
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u32 lightmap_id;
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u8 alpha;
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u8 blend_mode;
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bool dither;
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bool double_sided;
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bool dynamic_lighting;
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bool emissive;
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bool per_pixel;
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} pxl8_gfx_material;
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typedef struct pxl8_vertex {
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pxl8_vec3 position;
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pxl8_vec3 normal;
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f32 u, v;
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f32 lu, lv;
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u8 color;
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u8 light;
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u8 _pad[2];
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} pxl8_vertex;
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typedef struct pxl8_mesh {
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pxl8_vertex* vertices;
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u16* indices;
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u32 vertex_count;
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u32 index_count;
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u32 vertex_capacity;
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u32 index_capacity;
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} pxl8_mesh;
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pxl8_mesh* pxl8_mesh_create(u32 vertex_capacity, u32 index_capacity);
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void pxl8_mesh_destroy(pxl8_mesh* mesh);
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void pxl8_mesh_clear(pxl8_mesh* mesh);
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u16 pxl8_mesh_push_vertex(pxl8_mesh* mesh, pxl8_vertex v);
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void pxl8_mesh_push_triangle(pxl8_mesh* mesh, u16 i0, u16 i1, u16 i2);
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void pxl8_mesh_push_quad(pxl8_mesh* mesh, u16 i0, u16 i1, u16 i2, u16 i3);
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void pxl8_mesh_push_box(pxl8_mesh* mesh, pxl8_vec3 center, pxl8_vec3 half_extents, u8 color);
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void pxl8_mesh_push_box_uv(pxl8_mesh* mesh, pxl8_vec3 center, pxl8_vec3 half_extents, u8 color, f32 u_scale, f32 v_scale);
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static inline u32 pxl8_mesh_triangle_count(const pxl8_mesh* mesh) {
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return mesh->index_count / 3;
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}
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#ifdef __cplusplus
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}
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#endif
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