diff options
Diffstat (limited to 'src/crrn.c')
| -rw-r--r-- | src/crrn.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/crrn.c b/src/crrn.c new file mode 100644 index 0000000..ba250f9 --- /dev/null +++ b/src/crrn.c @@ -0,0 +1,129 @@ +void init(prge_context_t *ctx, game_context_t *gctx) +{ + gctx->camera = (camera_t){ + .position = (v3){3.0f, 1.5f, 3.0f}, + .fov = 90.0f, + .near = 0.1f, + .far = 1000.0f, + .angles = {20.0f, -45.0f, 0.0f} + }; + + char path[MAX_PATH]; + snprintf(path, sizeof(path), "%s/data/shaders", ctx->dir); + + gctx->mesh_shader = load_gl_shader(path, "mesh.vert", 0, "mesh.frag"); + gctx->ui_shader = load_gl_shader(path, "ui.vert", 0, "ui.frag"); + gctx->grid_shader = load_gl_shader(path, "grid.vert", 0, "grid.frag"); + + gctx->texture = prge_load_texture(ctx, "data/textures/grid.png", 1); + + mesh_t *quad = push_arena(&ctx->arena, sizeof(mesh_t)); + quad[0] = gen_quad_mesh(&ctx->arena, DEFAULT_TRANSFORM, 100.0f, 100.0f); + add_mesh_texture(quad, gctx->texture); + + model_t grid_model = {DEFAULT_TRANSFORM, 1, quad}; + grid_model.transform.rotation.x = -90.0f; + entity_t grid = {ENTITY_ALPHA, grid_model, V3_ZERO, V3_ZERO, BBOX_ZERO}; + add_entity(grid, &ctx->entities); + + model_t cube = prge_load_model(ctx, DEFAULT_TRANSFORM, "data/models/cube.obj"); + add_mesh_texture(&cube.meshes[0], gctx->texture); + + entity_t player = {ENTITY_COLLIDE, cube, {0.0f, 2.0f, 0.0f}, V3_ZERO, BBOX_UNIT}; + gctx->player_id = add_entity(player, &ctx->entities); + + entity_t floor = {ENTITY_COLLIDE, cube, V3_ZERO, V3_ZERO, BBOX_UNIT}; + gctx->floor_id = add_entity(floor, &ctx->entities); + + gctx->hurt_id = prge_load_sound_vorbis(ctx, "data/sounds/hurt.ogg"); +} + +void update_camera_first_person(game_context_t *gctx, input_t *input, float speed, float sens) +{ + v3 r, u, f; + camera_get_vecs(gctx->camera, &r, &u, &f); + v3 ddp = V3_ZERO; + if (is_key_down(input->move_forward)) + ddp = v3_add(ddp, v3_inv(f)); + if (is_key_down(input->move_backward)) + ddp = v3_add(ddp, f); + if (is_key_down(input->move_right)) + ddp = v3_add(ddp, r); + if (is_key_down(input->move_left)) + ddp = v3_add(ddp, v3_inv(r)); + if (is_key_down(input->move_up)) + ddp = v3_add(ddp, u); + if (is_key_down(input->move_down)) + ddp = v3_add(ddp, v3_inv(u)); + ddp = v3_norm(ddp); + + gctx->camera.position = v3_add(gctx->camera.position, gctx->camera_dp); + gctx->camera_dp = v3_scalef(v3_add(gctx->camera_dp, v3_scalef(ddp, input->dt*speed)), 0.8f); + + if (input->mouse.capture) { + gctx->camera.angles.y += input->mouse.offset.x*sens; + gctx->camera.angles.x += input->mouse.offset.y*sens; + if (gctx->camera.angles.x > 89.0f) + gctx->camera.angles.x = 89.0f; + if (gctx->camera.angles.x < -89.0f) + gctx->camera.angles.x = -89.0f; + } +} + +void update_and_render(prge_context_t *ctx, game_context_t *gctx) +{ + /* NOTE(pryazha): Update */ + if (is_key_pressed(ctx->input.exit)) { + if (ctx->input.mouse.capture) { + ctx->input.mouse.capture = 0; + } else { + ctx->should_close = 1; + } + } + + float speed = 1.0f, sens = 0.05f; + update_camera_first_person(gctx, &ctx->input, speed, sens); + + /* TODO(pryazha): Update physics */ + entity_t *player = get_entity(ctx->entities, gctx->player_id); + entity_t *floor = get_entity(ctx->entities, gctx->floor_id); + entity_t new = move_entity(*player, V3_UP, ctx->input.dt); + + v3 color = {1.0f, 0.0f, 0.0f}; + if (!check_collision(player, floor)) { + *player = new; + color = V3_ONE; + } + + /* NOTE(pryazha): Render */ + v3 bgcolor = {0.15f, 0.15f, 0.15f}; + clear_window(bgcolor); + + begin3d(ctx->window, gctx->mesh_shader, gctx->camera); + shader_set_v3(gctx->mesh_shader, "color", color); + draw_entities(ctx->entities, gctx->mesh_shader); + end3d(); + + begin3d_alpha(ctx->window, gctx->grid_shader, gctx->camera); + draw_entities_alpha(ctx->entities, gctx->grid_shader); + end3d_alpha(); + + int count = 2; + float width = (float)ctx->window.width*0.25f; + float height = (float)ctx->window.height*0.05f; + v2 start = {10, (float)ctx->window.height - height - 10}; + v2 end = {start.x + width, start.y + height}; + rect_t ui_rect = {start, end}; + float padding = 5.0f; + ui_t ui = beginui(ctx->window, ctx->input, gctx->ui_shader, + ui_rect, &ctx->frame_arena, padding); + float button_width = width/count - 2.0f*padding; + float button_height = height - 2.0f*padding; + if (button(&ui, "capture mouse", button_width, button_height)) + ctx->input.mouse.capture = 1; + if (button(&ui, "hurt sound", button_width, button_height)) + prge_play_sound(ctx, gctx->hurt_id); + endui(); + + gctx->time += ctx->input.dt; +} |