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c9e78fd810
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381 changed files with 37141 additions and 0 deletions
142
drawlist.h
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142
drawlist.h
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void draw_set_material(world_t *world, material_t *mat) {
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shd_sel(mat->shader ? mat->shader : gdr.shd_world, world);
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shd_scolor("specular", mat->spec_color);
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shd_float("shine", mat->shine);
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shd_float("density", mat->density);
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if(mat->texture)
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glBindTexture(GL_TEXTURE_2D, mat->texture);
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}
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int draw_dispatch(world_t *world, drawlist_t *list) {
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int drawn = 0;
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draw_t *draw;
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mat4 mat;
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glm_mat4_identity(mat);
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glm_translate(mat, list->position);
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glBindVertexArray(list->vao);
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for(int z = 0; z < list->size; z++) {
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draw = &list->draws[z];
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draw_set_material(world, draw->material);
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shd_mat4("model", mat);
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glDrawArrays(GL_TRIANGLES, draw->offset, draw->size);
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drawn += draw->size;
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}
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return drawn;
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}
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void draw_world(world_t *world) {
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int x1 = ((int)world->camera.pos_x) / CHUNK_SIZE;
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int y1 = ((int)world->camera.pos_y) / CHUNK_SIZE;
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int z1 = ((int)world->camera.pos_z) / CHUNK_SIZE;
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int x2 = x1 + gdr.ldist_chunk_xz;
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int y2 = y1 + gdr.ldist_chunk_y;
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int z2 = z1 + gdr.ldist_chunk_xz;
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int lists = 0;
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int drawn = 0;
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chunk_t *chunk; // = &world->global;
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x1 -= gdr.ldist_chunk_xz;
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y1 -= gdr.ldist_chunk_y;
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z1 -= gdr.ldist_chunk_xz;
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// x1 = CHUNK_CLAMP(world, x1, x);
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// y1 = CHUNK_CLAMP(world, y1, y);
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// z1 = CHUNK_CLAMP(world, z1, z);
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// x2 = CHUNK_CLAMP(world, x2, x);
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// y2 = CHUNK_CLAMP(world, y2, y);
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// z2 = CHUNK_CLAMP(world, z2, z);
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// if(chunk->drawlist) {
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// drawn += draw_dispatch(chunk->drawlist);
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// lists++;
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// }
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for(int cx = x1; cx <= x2; cx++) {
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for(int cz = z1; cz <= z2; cz++) {
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for(int cy = y1; cy <= y2; cy++) {
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if(!(chunk = chunk_get(world, cx, cy, cz, 0)))
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continue;
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if(chunk->drawlist) {
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drawn += draw_dispatch(world, chunk->drawlist);
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lists++;
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}
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}
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}
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}
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gdr.lists_drawn += lists;
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gdr.tris_drawn += drawn / 3;
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}
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/*
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void draw_floor(world_t *world) {
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if(!(world->flat_tex))
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return;
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mat4 mat;
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glm_mat4_identity(mat);
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glm_scale(mat, world->flat_scale);
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glm_translate(mat, world->flat_offset);
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shd_mat4("model", mat);
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glBindVertexArray(gdr.vao_box);
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glBindTexture(GL_TEXTURE_2D, world->flat_tex);
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draw_set_material(world->flat_mat);
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glDrawArrays(GL_TRIANGLES, 30, 6);
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}
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*/
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void draw_destroy(drawlist_t *list) {
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if(list->bind)
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buf_destroy(list->bind);
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if(list->draws)
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mem_free(list->draws);
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list->size = 0;
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list->draws = NULL;
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list->bind = NULL;
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}
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void draw_build(chunk_t *chunk, drawlist_t *list) {
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int pos;
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int done;
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int verts;
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uint id;
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material_t *material;
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polygon_t *poly;
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float *vert;
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draw_t *draw;
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float *vertices = mem_alloc(chunk->poly_list.stored * 3 * sizeof(vertex_t), MEM_POLY);
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list->size = 0;
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list->draws = NULL;
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for(done = 0; done < chunk->poly_list.stored; list->size += 1) {
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list->draws = mem_realloc(list->draws, sizeof(draw_t) * (list->size + 1), MEM_POLY);
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draw = &list->draws[list->size];
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verts = 0;
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material = NULL;
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pos = 0;
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draw->offset = done * 3;
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while((id = lst_iter(&chunk->poly_list, &pos)) != 0xffffffff) {
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poly = &chunk->poly_pool[id];
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if(!material) {
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material = poly->material;
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for(int z = 0; z < list->size; z++) {
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if(material == list->draws[z].material) {
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material = NULL;
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break;
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}
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}
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if(!material)
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continue;
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}
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else if(material != poly->material) {
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// logd("nnt", "C %d %d %d %d %.3f %.3f", texture, poly->texture, material, poly->material, density, poly->density);
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continue;
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}
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sys_assert(done < chunk->poly_list.stored)
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memcpy(&vertices[24 * done], poly->vertices, 3 * sizeof(vertex_t));
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done++;
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verts++;
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}
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draw->size = verts * 3;
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draw->material = material;
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// logd("nnt", "L %d %d %d %.3f", draw->size, draw->texture, draw->material, draw->density);
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}
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list->bind = buf_init(0, &list->vbo, &list->vao, vertices, done * 3 * sizeof(vertex_t), 8, 3, 3, 2);
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mem_free(vertices);
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VEC3_SET(list->position, chunk->box.x1, chunk->box.y1, chunk->box.z1);
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// logd("nnt", "= %d @ %.3f %.3f %.3f", list->size, list->position[0], list->position[1], list->position[2]);
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}
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