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Draw only things within the game rectangle 

Testing it out on sandbox for now
scene_man
En Yi 2023-08-19 16:40:12 +08:00
parent 963ba34164
commit e6683dfec1
1 changed files with 106 additions and 75 deletions
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37
scenes/editor_scene.c
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@ -81,15 +81,37 @@ static void level_scene_render_func(Scene_t* scene)
TileGrid_t tilemap = data->tilemap; TileGrid_t tilemap = data->tilemap;
Entity_t* p_ent; Entity_t* p_ent;
Vector2 min = GetScreenToWorld2D((Vector2){data->game_rec.x, data->game_rec.y}, data->cam);
Vector2 max = GetScreenToWorld2D(
(Vector2){
data->game_rec.x + data->game_rec.width,
data->game_rec.y + data->game_rec.height
},
data->cam
);
min = Vector2Scale(min, 1.0f/tilemap.tile_size);
max = Vector2Scale(max, 1.0f/tilemap.tile_size);
min.x = (int)fmax(0, min.x - 1);
min.y = (int)fmax(0, min.y - 1);
max.x = (int)fmin(tilemap.width-1, max.x + 1);
max.y = (int)fmin(tilemap.height-1, max.y + 1);
printf("(%d,%d %d,%d\n", (int)min.x, (int)min.y, (int)max.x, (int)max.y);
BeginTextureMode(data->game_viewport); BeginTextureMode(data->game_viewport);
ClearBackground(WHITE); ClearBackground(WHITE);
BeginMode2D(data->cam); BeginMode2D(data->cam);
for (size_t i = 0; i < tilemap.n_tiles; ++i) //for (size_t i = 0; i < tilemap.n_tiles; ++i)
//{
for (int tile_y = min.y; tile_y <= max.y; tile_y++)
{ {
//for (unsigned int tile_x = tile_x1; tile_x <= tile_x2; tile_x++)
for (int tile_x = min.x; tile_x <= max.x; tile_x++)
{
//int i = get_tile_idx(x, y, &tilemap);
int i = tile_x + tile_y * tilemap.width;
char buffer[6] = {0}; char buffer[6] = {0};
int x = (i % tilemap.width) * TILE_SIZE; int x = tile_x * TILE_SIZE;
int y = (i / tilemap.width) * TILE_SIZE; int y = tile_y * TILE_SIZE;
sprintf(buffer, "%u", sc_map_size_64v(&tilemap.tiles[i].entities_set)); sprintf(buffer, "%u", sc_map_size_64v(&tilemap.tiles[i].entities_set));
if (!tilemap.tiles[i].moveable) if (!tilemap.tiles[i].moveable)
@ -169,12 +191,21 @@ static void level_scene_render_func(Scene_t* scene)
DrawRectangleLinesEx((Rectangle){x, y, TILE_SIZE, TILE_SIZE}, 2.0, ColorAlpha(BLUE, 0.5)); DrawRectangleLinesEx((Rectangle){x, y, TILE_SIZE, TILE_SIZE}, 2.0, ColorAlpha(BLUE, 0.5));
} }
} }
}
char buffer[64] = {0}; char buffer[64] = {0};
sc_map_foreach_value(&scene->ent_manager.entities, p_ent) sc_map_foreach_value(&scene->ent_manager.entities, p_ent)
{ {
CTransform_t* p_ct = get_component(p_ent, CTRANSFORM_COMP_T); CTransform_t* p_ct = get_component(p_ent, CTRANSFORM_COMP_T);
CBBox_t* p_bbox = get_component(p_ent, CBBOX_COMP_T); CBBox_t* p_bbox = get_component(p_ent, CBBOX_COMP_T);
if (
p_ct->position.x < min.x * tilemap.tile_size
|| p_ct->position.x + p_bbox->size.x > max.x * tilemap.tile_size
|| p_ct->position.y < min.y * tilemap.tile_size
|| p_ct->position.y + p_bbox->size.y > max.y * tilemap.tile_size
) continue;
Color colour; Color colour;
switch(p_ent->m_tag) switch(p_ent->m_tag)
{ {