3D audio.

5 files changed, 48 insertions, 29 deletions

diff --git a/src/game/assets.cpp b/src/game/assets.cpp
index f0dddbf..a020bf6 100644
--- a/src/game/assets.cpp
+++ b/src/game/assets.cpp
@@ -24,7 +24,7 @@ spider_assets_t spider;
 nest_assets_t nest;
 fx_assets_t fx;
 deco_assets_t deco;
-ambience_assets_t ambience;
+audio::ambient_t ambients[AMBIENT_COUNT];
 
 render::animated_texture_t unit_selected;
 render::animated_texture_t unit_selected_halo;
@@ -42,13 +42,14 @@ void load(void)
 	soldier.dead.load("assets/units/soldier/dead_", 1);
 
 	soldier.fire.load("assets/units/soldier/fire.ogg");
-
+	soldier.fire.volume = 4.0f;
+	
 	soldier.step_stone.load("assets/units/soldier/step_stone_1.ogg");
 	soldier.step_stone.load("assets/units/soldier/step_stone_2.ogg");
 	soldier.step_stone.load("assets/units/soldier/step_stone_3.ogg");
 	soldier.step_stone.load("assets/units/soldier/step_stone_4.ogg");
 	soldier.step_stone.load("assets/units/soldier/step_stone_5.ogg");
-	soldier.step_stone.volume = 0.4f;
+	soldier.step_stone.volume = 1.0f;
 
 	spider.idle.load("assets/units/spider/idle", 2, 2, 2);
 	spider.walking.load("assets/units/spider/walking", 2, 2, 2);
@@ -83,12 +84,12 @@ void load(void)
 	world::register_tile(TILE_GRAVEL, 0);
 	render::register_tile(TILE_GRAVEL, "assets/tiles/gravel.png", NULL, 0.0f);
 
-	ambience.nexus.load("assets/ambience/nexus.ogg");
-	ambience.chasm.load("assets/ambience/chasm.ogg");
-	ambience.wind.load("assets/ambience/wind.ogg");
-	ambience.water.load("assets/ambience/water.ogg");
-
-	ambience.nexus.weight = 1.0f;
+	ambients[AMBIENT_NEXUS].load("assets/ambience/nexus.ogg");
+	ambients[AMBIENT_CHASM].load("assets/ambience/chasm.ogg");
+	ambients[AMBIENT_CHASM].volume = 4.0f;
+	ambients[AMBIENT_WIND].load("assets/ambience/wind.ogg");
+	ambients[AMBIENT_WATER].load("assets/ambience/water.ogg");
+	ambients[AMBIENT_WATER].volume = 0.2f;
 }
 
 } // namespace game::assets
diff --git a/src/game/game.cpp b/src/game/game.cpp
index 79685cb..2818c0b 100644
--- a/src/game/game.cpp
+++ b/src/game/game.cpp
@@ -285,17 +285,24 @@ void state_t::tick(ntime_t time_)
 
 void state_t::compute_ambience(render::state_t *render)
 {
+	const size_t samples = 25;
 	rectf_t area;
-	size_t plains = 0, cave = 0, water = 0, weird = 0;
-	float scale, volume;
+	v2f_t origins[AMBIENT_COUNT];
+	size_t hits[AMBIENT_COUNT];
 
 	area = render->window_in_world_space();
 
+	for (size_t i = 0; i < AMBIENT_COUNT; i++) {
+		origins[i] = v2f_t(0, 0);
+		hits[i] = 0;
+	}
+
 	// resolution chosen arbitrarily
 	for (size_t y = 0; y < 5; y++)
 	for (size_t x = 0; x < 5; x++) {
 		v2f_t point;
 		world::tile_t *tile;
+		int type;
 
 		point[0] = lerp(area[0][0], area[1][0], y / 4.0f);
 		point[1] = lerp(area[0][1], area[1][1], x / 4.0f);
@@ -304,32 +311,35 @@ void state_t::compute_ambience(render::state_t *render)
 
 		switch (tile->type) {
 		case TILE_DIRT:
-			plains++;
+			type = AMBIENT_WIND;
 			break;
 
 		case TILE_GRAVEL:
 		case TILE_STONE:
-			cave++;
+			type = AMBIENT_CHASM;
 			break;
 
 		case TILE_WATER:
-			water++;
+			type = AMBIENT_WATER;
 			break;
 
 		case TILE_DIRT_RED:
 		case TILE_STONE_RED:
-			weird++;
+			type = AMBIENT_NEXUS;
 			break;
+
+		default:
+			continue;
 		}
-	}
 
-	scale = 1.0f / area.dims().len();
-	volume = clamp(remap(0.002f, 0.05f, 0.0f, 1.0f, scale), 0.0f, 1.0f);
+		origins[type] += point;
+		hits[type]++;
+	}
 
-	assets::ambience.wind.weight = plains / 25.0f * volume;
-	assets::ambience.chasm.weight = cave / 25.0f * volume;
-	assets::ambience.water.weight = water / 25.0f * volume;
-	assets::ambience.nexus.weight = weird / 25.0f * volume;
+	for (size_t i = 0; i < AMBIENT_COUNT; i++) {
+		assets::ambients[i].origin = origins[i] / hits[i];
+		assets::ambients[i].weight = (float)hits[i] / samples;
+	}
 }
 
 die_t::die_t(size_t sides_)
diff --git a/src/game/game.hpp b/src/game/game.hpp
index bb2ce69..331c1d1 100644
--- a/src/game/game.hpp
+++ b/src/game/game.hpp
@@ -41,6 +41,14 @@ namespace game {
 		CF_BODY_SMALL = 8,
 		CF_WATER      = 16
 	};
+	
+	enum {
+		AMBIENT_NEXUS,
+		AMBIENT_CHASM,
+		AMBIENT_WIND,
+		AMBIENT_WATER,
+		AMBIENT_COUNT
+	};
 
 	extern size_t selection_cookie;
 
@@ -77,16 +85,12 @@ namespace game {
 			render::animated_texture_t wart;
 		} deco_assets_t;
 
-		typedef struct {
-			audio::ambient_t nexus, chasm, wind, water;
-		} ambience_assets_t;
-
 		extern soldier_assets_t soldier;
 		extern spider_assets_t spider;
 		extern nest_assets_t nest;
 		extern fx_assets_t fx;
 		extern deco_assets_t deco;
-		extern ambience_assets_t ambience;
+		extern audio::ambient_t ambients[AMBIENT_COUNT];
 		extern render::animated_texture_t unit_selected; 
 		extern render::animated_texture_t unit_selected_halo;
 		extern render::animated_texture_t move_marker;
diff --git a/src/game/interface.cpp b/src/game/interface.cpp
index d3ef661..25d256c 100644
--- a/src/game/interface.cpp
+++ b/src/game/interface.cpp
@@ -165,6 +165,10 @@ void state_t::tick(double dt)
 		window->setView(sf::View(view_center, view_size));
 	}
 
+	camera_3d[0] = view_center[0];
+	camera_3d[1] = view_center[1];
+	camera_3d[2] = view_scale;
+
 	mouse = sf::Mouse::getPosition(*window);
 	wmouse = window->mapPixelToCoords(sf::Mouse::getPosition(*window));
 
diff --git a/src/game/units.cpp b/src/game/units.cpp
index 30cfdd5..47e729c 100644
--- a/src/game/units.cpp
+++ b/src/game/units.cpp
@@ -354,7 +354,7 @@ void unit_soldier_t::shoot(v2f_t aim)
 	flash->place(&game->world);
 
 	last_attack = game->now;
-	assets::soldier.fire.play();
+	assets::soldier.fire.play_3d(x);
 	//target->damage(3, this); FIXME
 }
 
@@ -458,7 +458,7 @@ void unit_soldier_t::on_think(void)
 
 	if (move.moving && (x - move.last_step).len() > 0.5f) {
 		move.last_step = x;
-		assets::soldier.step_stone.play();
+		assets::soldier.step_stone.play_3d(x);
 	}
 }