关于地图绘制吊桥效果 - Project1

#==============================================================================
# ■ Game_Map
#------------------------------------------------------------------------------
# 　管理地图的类。拥有卷动地图以及判断通行度的功能。
# 本类的实例请参考 $game_map 。
#==============================================================================
=begin
由於直接重定義 check_passage
如果其他腳本有定義可能會發生衝突
=end
class Game_Map
#--------------------------------------------------------------------------
# ● セットアップ
#--------------------------------------------------------------------------
alias :d8_bridgepass_ori_setup :setup unless defined? d8_bridgepass_ori_setup
def setup(map_id)
d8_bridgepass_ori_setup(map_id)
fix_a3_roof_passage
end
#--------------------------------------------------------------------------
# ● 修正房屋屋頂部分通行判定
#--------------------------------------------------------------------------
def fix_a3_roof_passage
for i in (48..55).to_a + (64..71).to_a
id_base = 2048 + i * 48
for t in 0..15
id = id_base + t
pass_flag = 0b0000
pass_flag |= 0x02 if [1, 3, 5, 7, 9, 11, 13, 15].include?(t)
pass_flag |= 0x04 if [4, 5, 6, 7, 12, 13, 14, 15].include?(t)
pass_flag |= 0x08 if [2, 3, 6, 7, 10, 11, 14, 15].include?(t)
flag = tileset.flags[id]
flag = (flag >> 4 << 4) | pass_flag
tileset.flags[id] = flag
end
end
end
#--------------------------------------------------------------------------
# ● 通行检查
# bit : 判断通行禁止与否的字节（请参照二进制运算）
#--------------------------------------------------------------------------
def check_passage(x, y, bit)
# 非飛行船 => 前方有橋 => 方向不同則提高前方優先級+可通行
if bit != 0x800
case bit
when 0x01 # 2 D
if $game_player.pos?(x, y) && check_upper_bridge(x, y + 1, bit)
set_bridge(x, y + 1, 0x10)
return true
elsif check_front_bridge(x, y, bit) && check_roof(tile_id(x, y + 1, 0)) && !check_roof(tile_id(x, y, 0))
return false
elsif check_front_bridge(x, y, bit) && check_front_bridge(x, y + 1, bit) && check_upper_bridge(x + 1, y, bit)
return false
elsif check_upper_bridge(x, y, 0x08)
return true if $game_player.pos?(x, y + 1)
end
when 0x02 # 4 L
if $game_player.pos?(x, y) && check_upper_bridge(x - 1, y, bit)
set_bridge(x - 1, y, 0x10)
return true
elsif check_front_bridge(x, y, bit) && check_roof(tile_id(x - 1, y, 0)) && !check_roof(tile_id(x, y, 0))
return false
elsif check_front_bridge(x, y, bit) && check_front_bridge(x - 1, y, bit) && check_upper_bridge(x, y - 1, bit)
return false
elsif check_upper_bridge(x, y, 0x04)
return true if $game_player.pos?(x - 1, y)
end
when 0x04 # 6 R
if $game_player.pos?(x, y) && check_upper_bridge(x + 1, y, bit)
set_bridge(x + 1, y, 0x10)
return true
elsif check_front_bridge(x, y, bit) && check_roof(tile_id(x + 1, y, 0)) && !check_roof(tile_id(x, y, 0))
return false
elsif check_front_bridge(x, y, bit) && check_front_bridge(x + 1, y, bit) && check_upper_bridge(x, y + 1, bit)
return false
elsif check_upper_bridge(x, y, 0x02)
return true if $game_player.pos?(x + 1, y)
end
when 0x08 # 8 U
if $game_player.pos?(x, y) && check_upper_bridge(x, y - 1, bit)
set_bridge(x, y - 1, 0x10)
return true
elsif check_front_bridge(x, y, bit) && check_roof(tile_id(x, y - 1, 0)) && !check_roof(tile_id(x, y, 0))
return false
elsif check_front_bridge(x, y, bit) && check_front_bridge(x, y - 1, bit) && check_upper_bridge(x - 1, y, bit)
return false
elsif check_upper_bridge(x, y, 0x01)
return true if $game_player.pos?(x, y - 1)
end
when 0x200, 0x400 # Ship
end
end
# 方向判別狀態
if bit <= 0xf
# 在屋頂邊緣 & 自身不在橋上 => 是否有橋
if check_roof(tile_id(x, y, 0)) && !check_front_bridge(x, y, bit)
case bit
when 0x01 # 2 D
set_bridge(x, y + 1, 0) if $game_player.pos?(x, y) && check_front_bridge(x, y + 1, bit)
when 0x02 # 4 L
set_bridge(x - 1, y, 0) if $game_player.pos?(x, y) && check_front_bridge(x - 1, y, bit)
return true if check_bridge_passage(x - 1, y, bit)
when 0x04 # 6 R
set_bridge(x + 1, y, 0) if $game_player.pos?(x, y) && check_front_bridge(x + 1, y, bit)
return true if check_bridge_passage(x + 1, y, bit)
when 0x08 # 8 U
set_bridge(x, y - 1, 0) if $game_player.pos?(x, y) && check_front_bridge(x, y - 1, bit)
return true if check_bridge_passage(x, y - 1, bit)
end
# 在橋可通行方向上 => 前方是否有屋頂
elsif check_bridge_passage(x, y, bit)
case bit
when 0x01 # 2 D
return true if check_roof(tile_id(x, y + 1, 0)) && check_roof_edge(tile_id(x, y + 1, 0))
when 0x02 # 4 L
return true if check_roof(tile_id(x - 1, y, 0)) && check_roof_edge(tile_id(x - 1, y, 0))
when 0x04 # 6 R
return true if check_roof(tile_id(x + 1, y, 0)) && check_roof_edge(tile_id(x + 1, y, 0))
end
end
end
# 原始判定
all_tiles(x, y).each do |tile_id|
flag = tileset.flags[tile_id]
next if flag & 0x10 != 0 # [☆] : 不影响通行
return true if flag & bit == 0 # [○] : 可以通行
return false if flag & bit == bit # [×] : 不能通行
end
return false # 不能通行
end
#--------------------------------------------------------------------------
# ● 屋頂?
#--------------------------------------------------------------------------
def check_roof(tile_id)
return false if tile_id < 2048
case (tile_id - 2048) / 48
when 48..55, 64..71 # A3 House Roof #1, #2
return true
when 80..87, 96..103, 112..119 # A4 House Roof #1, #2
return true
else
return false
end
end
#--------------------------------------------------------------------------
# ● 屋頂邊緣?
#--------------------------------------------------------------------------
def check_roof_edge(tile_id)
return false if tile_id < 2048
case (tile_id - 2048) / 48
when 48..55, 64..71 # A3 House Roof #1, #2
return (tile_id - 2048) % 48 != 0
when 80..87, 96..103, 112..119 # A4 House Roof #1, #2
return ![1, 34, 36, 38, 40, 46].include?((tile_id - 2048) % 48)
else
return false
end
end
#--------------------------------------------------------------------------
# ● 確認是否為上方橋面(通行方向相反之橋面)
#--------------------------------------------------------------------------
def check_upper_bridge(x, y, bit)
all_tiles(x, y).each do |tile_id|
flag = tileset.flags[tile_id]
next if flag & 0x10 != 0
bridge = check_bridge(tile_id)
next unless bridge
if flag & 0x0800 == 0x00
tileset.flags[tile_id] = flag | 0x0800
end
return true if (bit == 0x01 || bit == 0x08) && bridge == 1
return true if (bit == 0x02 || bit == 0x04) && bridge == 2
end
return false
end
#--------------------------------------------------------------------------
# ● 確認使是否為調過優先顯示之前方橋面
#--------------------------------------------------------------------------
def check_front_bridge(x, y, bit)
all_tiles(x, y).each do |tile_id|
flag = tileset.flags[tile_id]
next if flag & 0x10 == 0
bridge = check_bridge(tile_id)
next unless bridge
return true if (bit == 0x01 || bit == 0x08) && bridge == 2
return true if (bit == 0x02 || bit == 0x04) && bridge == 1
end
return false
end
#--------------------------------------------------------------------------
# ● 確認前方是否為可通行方向之橋面
#--------------------------------------------------------------------------
def check_bridge_passage(x, y, bit)
all_tiles(x, y).each do |tile_id|
flag = tileset.flags[tile_id]
next if flag & 0x10 != 0
bridge = check_bridge(tile_id)
next unless bridge
if flag & 0x0800 == 0x00
tileset.flags[tile_id] = flag | 0x0800
end
return true if (bit == 0x01 || bit == 0x08) && bridge == 2
return true if (bit == 0x02 || bit == 0x04) && bridge == 1
end
return false
end
#--------------------------------------------------------------------------
# ● 橋面?
#--------------------------------------------------------------------------
def check_bridge(tile_id)
# 痾... 橋面判定... 目前就先以只能直線通行且非梯子為判定吧XD
return false if tile_id > 2048
flag = tileset.flags[tile_id]
return false if flag & 0x20 == 0x20
return 1 if flag & 0x09 == 0x09 && flag & 0x06 == 0x00
return 2 if flag & 0x09 == 0x00 && flag & 0x06 == 0x06
return false
end
#--------------------------------------------------------------------------
# ● 設定橋面顯示優先度
#--------------------------------------------------------------------------
def set_bridge(x, y, bit)
all_tiles(x, y).each do |tile_id|
flag = tileset.flags[tile_id]
next unless check_bridge(tile_id)
pass = flag & 0x0f
flag = (flag >> 5 << 5) | bit | pass
tileset.flags[tile_id] = flag
end
end
end

复制代码