/* scene.c General scene handling Copyright (C) 2021 Bill Currke This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to: Free Software Foundation, Inc. 59 Temple Place - Suite 330 Boston, MA 02111-1307, USA */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #ifdef HAVE_STRING_H # include #endif #ifdef HAVE_STRINGS_H # include #endif #include "QF/mathlib.h" #include "QF/sys.h" #include "QF/model.h" #include "QF/plugin/vid_render.h" #include "QF/scene/entity.h" #include "QF/scene/light.h" #include "QF/scene/scene.h" #include "QF/scene/transform.h" static void create_active (void *_active) { byte *active = _active; *active = 1; } static void create_old_origin (void *_old_origin) { vec4f_t *old_origin = _old_origin; *old_origin = (vec4f_t) {0, 0, 0, 1}; } static void create_colormap (void *_colormap) { colormap_t *colormap = _colormap; *colormap = (colormap_t) {1, 6}; } static void destroy_visibility (void *_visibility) { visibility_t *visibility = _visibility; if (visibility->efrag) { R_ClearEfragChain (visibility->efrag); } } static void destroy_renderer (void *_renderer) { renderer_t *renderer = _renderer; if (renderer->skin) { mod_funcs->Skin_Free (renderer->skin); } } static void destroy_efrags (void *_efrags) { efrag_t **efrags = _efrags; R_ClearEfragChain (*efrags); } static void sw_identity_matrix (void *_mat) { mat4f_t *mat = _mat; mat4fidentity (*mat); } static void sw_frame_0 (void *_frame) { byte *frame = _frame; *frame = 0; } static void sw_null_brush (void *_brush) { struct mod_brush_s **brush = _brush; *brush = 0; } static const component_t scene_components[scene_comp_count] = { [scene_href] = { .size = sizeof (hierref_t), .create = 0,//create_href, .name = "href", .destroy = Hierref_DestroyComponent, }, [scene_animation] = { .size = sizeof (animation_t), .create = 0,//create_animation, .name = "animation", }, [scene_visibility] = { .size = sizeof (visibility_t), .create = 0,//create_visibility, .destroy = destroy_visibility, .name = "visibility", }, [scene_renderer] = { .size = sizeof (renderer_t), .create = 0,//create_renderer, .destroy = destroy_renderer, .name = "renderer", }, [scene_active] = { .size = sizeof (byte), .create = create_active, .name = "active", }, [scene_old_origin] = { .size = sizeof (vec4f_t), .create = create_old_origin, .name = "old_origin", }, [scene_colormap] = { .size = sizeof (colormap_t), .create = create_colormap, .name = "colormap", }, [scene_light] = { .size = sizeof (light_t), .name = "light", }, [scene_efrags] = { .size = sizeof (efrag_t *), .destroy = destroy_efrags, .name = "efrags", }, [scene_lightstyle] = { .size = sizeof (int), .name = "lightstyle", }, [scene_sw_matrix] = { .size = sizeof (mat4f_t), .create = sw_identity_matrix, .name = "sw world transform", }, [scene_sw_frame] = { .size = sizeof (byte), .create = sw_frame_0, .name = "sw brush model animation frame", }, [scene_sw_brush] = { .size = sizeof (struct mod_brush_s *), .create = sw_null_brush, .name = "sw brush model data pointer", }, }; static byte empty_visdata[] = { 0x01 }; static mleaf_t empty_leafs[] = { [1] = { .contents = CONTENTS_EMPTY, .mins = {-INFINITY, -INFINITY, -INFINITY}, .maxs = { INFINITY, INFINITY, INFINITY}, .compressed_vis = empty_visdata, }, }; static mnode_t empty_nodes[] = { [0] = { .plane = { 0, 0, 0, -1 }, .type = 3, .children = { ~0, ~1 }, .minmaxs = {-INFINITY, -INFINITY, -INFINITY, INFINITY, INFINITY, INFINITY}, }, }; static int empty_node_parents[] = { [0] = -1, }; static int empty_leaf_parents[] = { [0] = 0, [1] = 0, }; static int empty_leaf_flags[] = { [1] = SURF_DRAWSKY, }; static char empty_entities[] = { 0 }; static model_t empty_world = { .type = mod_brush, .radius = INFINITY, .mins = {-INFINITY, -INFINITY, -INFINITY}, .maxs = { INFINITY, INFINITY, INFINITY}, .brush = { .modleafs = 2, .visleafs = 1, .numnodes = 1, .nodes = empty_nodes, .leafs = empty_leafs, .entities = empty_entities, .visdata = empty_visdata, .node_parents = empty_node_parents, .leaf_parents = empty_leaf_parents, .leaf_flags = empty_leaf_flags, }, }; scene_t * Scene_NewScene (void) { scene_t *scene = calloc (1, sizeof (scene_t)); scene->reg = ECS_NewRegistry (); ECS_RegisterComponents (scene->reg, scene_components, scene_comp_count); ECS_CreateComponentPools (scene->reg); scene->worldmodel = &empty_world; return scene; } void Scene_DeleteScene (scene_t *scene) { ECS_DelRegistry (scene->reg); free (scene); } entity_t Scene_CreateEntity (scene_t *scene) { // Transform_New creates an entity and adds a scene_href component to the // entity transform_t trans = Transform_New (scene->reg, nulltransform); uint32_t id = trans.id; Ent_SetComponent (id, scene_animation, scene->reg, 0); Ent_SetComponent (id, scene_renderer, scene->reg, 0); Ent_SetComponent (id, scene_active, scene->reg, 0); Ent_SetComponent (id, scene_old_origin, scene->reg, 0); renderer_t *renderer = Ent_GetComponent (id, scene_renderer, scene->reg); QuatSet (1, 1, 1, 1, renderer->colormod); return (entity_t) { .reg = scene->reg, .id = id }; } void Scene_DestroyEntity (scene_t *scene, entity_t ent) { ECS_DelEntity (scene->reg, ent.id); } void Scene_FreeAllEntities (scene_t *scene) { auto reg = scene->reg; for (uint32_t i = 0; i < reg->num_entities; i++) { uint32_t ent = reg->entities[i]; uint32_t ind = Ent_Index (ent); if (ind == i) { ECS_DelEntity (reg, ent); } } }