Completes #31 Adds chests to game

CMakeLists.txt

@@ -264,6 +264,7 @@ if (NOT DEBUG_BUILD)
 			"menumapgen.lua"
 			"monstergen.lua"
 			"trapgen.lua"
+			"chestgen.lua"
 			"pitlayouts.dat"
 		WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/data
 		)

data/chestgen.lua

@@ -0,0 +1,63 @@
+local room_builder = require "maproombuilder"
+local module = {}
+local random = math.random
+
+local textures = {
+	"Items/Chest0.png",
+	"Items/Chest1.png"
+}
+
+local chests = {}
+for i=0,1 do
+	table.insert(chests, {
+		textures[1],
+		textures[2],
+		0,
+		i * 16
+	});
+	table.insert(chests, {
+		textures[1],
+		textures[2],
+		16,
+		i * 16
+	});
+end
+
+local function repack(data)
+	return {
+		texturePath1	= data[1],
+		texturePath2	= data[2],
+		clipX			= data[3],
+		clipY			= data[4]
+	}
+end
+
+function module.add_chests_to_room(room)
+	if room.type == "coridoor" then
+		return
+	end
+
+	local count = random(3) - 1
+	local i = 0
+	while i < count do
+		local rx = random(13) + 1
+		local ry = random(9) + 1
+		if room_builder.is_tile_avilable(room, rx, ry) then
+			room.chests[rx][ry] = chests[random(#chests)]
+			i = i + 1
+		end
+	end
+end
+
+function module.load_chests(map, chests)
+	for i=0,15 do
+		for j=0,11 do
+			chest = chests[i][j]
+			if chest then
+				add_chest(map, i, j, CURRENT_LEVEL, repack(chest))
+			end
+		end
+	end
+end
+
+return module

data/mapgen.lua

@@ -1,6 +1,7 @@
 local room_builder = require "maproombuilder"
 local monster_gen = require "monstergen"
 local trap_gen = require "trapgen"
+local chest_gen = require "chestgen"
 
 -- Setting up some functions
 local time = os.time
@@ -117,6 +118,7 @@ local function generate_path ()
 				room_builder.build_room(room)
 				monster_gen.add_monsters_to_room(room, i-1, j-1)
 				trap_gen.add_traps_to_room(room, i-1, j-1)
+				chest_gen.add_chests_to_room(room, i-1, j-1)
 			end
 		end
 	end
@@ -141,6 +143,7 @@ for i=1,10 do
 			room_builder.load_room(map, room)
 			monster_gen.load_monsters(map, room.monsters)
 			trap_gen.load_traps(map, room.traps)
+			chest_gen.load_chests(map, room.chests)
 		end
 	end
 end

data/maproombuilder.lua

@@ -131,7 +131,7 @@ local function repack(data)
 end
 
 local function add_random_decor_to_room(room)
-	local decor_count = random(10) - 1
+	local decor_count = random(8)
 	for i=1,decor_count do
 		x = random(11) + 1
 		y = random(8) + 1
@@ -452,6 +452,16 @@ function module.add_full_lighting(room)
 		room.decor[11][9] = lightDecor.candle2
 end
 
+function module.is_tile_avilable(room, rx, ry)
+	return not room.chests[rx][ry]
+		and not room.traps[rx][ry]
+		and not room.monsters[rx][ry]
+		and not room.decor[rx][ry]
+		and (room.tiles[rx][ry]
+			and not room.tiles[rx][ry][5]
+			and not room.tiles[rx][ry][8])
+end
+
 function module.create_empty_room()
 	room = {
 		exits = {},
@@ -466,6 +476,7 @@ function module.create_empty_room()
 			arg = nil
 		},
 		monsters = {},
+		chests = {},
 		traps = {}
 	}
 	for i=0,15 do
@@ -473,11 +484,13 @@ function module.create_empty_room()
 		room.decor[i] = {}
 		room.monsters[i] = {}
 		room.traps[i] = {}
+		room.chests[i] = {}
 		for j=0,11 do
 			room.tiles[i][j] = nil
 			room.decor[i][j] = nil
 			room.monsters[i][j] = nil
 			room.traps[i][j] = nil
+			room.chests[i][j] = nil
 		end
 	end
 	return room

data/monstergen.lua

@@ -1,3 +1,4 @@
+local room_builder = require "maproombuilder"
 local module = {}
 local random = math.random
 
@@ -250,13 +251,7 @@ function module.add_monsters_to_room(room, roomx, roomy)
 	while i < count do
 		local rx = random(13) + 1
 		local ry = random(9) + 1
-		if not room.decor[rx][ry]
-			and not room.monsters[rx][ry]
-			and (room.tiles[rx][ry]
-				and not room.tiles[rx][ry][5]
-				and not room.tiles[rx][ry][8])
-			then
-
+		if room_builder.is_tile_avilable(room, rx, ry) then
 			local x = (roomx * 512) + rx * 32
 			local y = (roomy * 384) + ry * 32
 			room.monsters[rx][ry] = {

data/trapgen.lua

@@ -1,3 +1,4 @@
+local room_builder = require "maproombuilder"
 local module = {}
 local random = math.random
 
@@ -34,13 +35,7 @@ function module.add_traps_to_room(room)
 	while i < count do
 		local rx = random(13) + 1
 		local ry = random(9) + 1
-		if not room.decor[rx][ry]
-			and not room.monsters[rx][ry]
-			and (room.tiles[rx][ry]
-				and not room.tiles[rx][ry][5]
-				and not room.tiles[rx][ry][8])
-			then
-
+		if room_builder.is_tile_avilable(room, rx, ry) then
 			room.traps[rx][ry] = traps[random(#traps)]
 			i = i + 1
 		end

src/item.c

@@ -19,6 +19,7 @@
 #include <stdlib.h>
 #include "item.h"
 #include "util.h"
+#include "mixer.h"
 
 Item *
 item_create(void)
@@ -59,6 +60,7 @@ item_collected(Item *item, Player *player)
 	if (!item->openable) {
 		item->collected = true;
 	} else {
+		mixer_play_effect(CHEST_OPEN);
 		item->opened = true;
 		item->sprite->texture_index = 1;
 	}

src/map_lua.c

@@ -330,15 +330,15 @@ l_add_chest(lua_State *L)
 		cr->x * MAP_ROOM_WIDTH * TILE_DIMENSION + x * TILE_DIMENSION,
 		cr->y * MAP_ROOM_HEIGHT * TILE_DIMENSION + y * TILE_DIMENSION
 	};
-	if (get_random(2) == 0)
+	lua_pop(L, 4);
+
+	if (get_random(1) == 0)
 		linkedlist_append(&chest->items, item_builder_build_item(level, TREASURE));
 	if (get_random(4) == 0)
 		linkedlist_append(&chest->items, item_builder_build_item(level, HEALTH));
 	if (get_random(4) == 0)
 		linkedlist_append(&chest->items, item_builder_build_item(level, DAGGER));
 
-	lua_pop(L, 4);
-
 	linkedlist_append(&map->items, chest);
 
 	return 0;

src/mixer.c

@@ -83,6 +83,7 @@ load_effects(void)
 	effects[FALL1] = load_effect("Sounds/FX/fall1.wav");
 	effects[SLAM] = load_effect("Sounds/FX/slam.wav");
 	effects[MAGIC_PICKUP] = load_effect("Sounds/FX/magic_pickup.wav");
+	effects[CHEST_OPEN] = load_effect("Sounds/FX/chest_open.wav");
 }
 
 void

src/mixer.h

@@ -59,6 +59,7 @@ typedef enum Fx_t {
 	DAGGER_PICKUP,
 	SLAM,
 	MAGIC_PICKUP,
+	CHEST_OPEN,
 	LAST_EFFECT
 } Fx;