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map_handling.pb
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; Lost Labyrinth VI: Portals
; map handling procedures
; written in PureBasic 4.20 (http://www.purebasic.com)
; created: 08.10.2008 Frank Malota <[email protected]>
; modified: 22.12.2008 Frank Malota <[email protected]>
; declaration of used procedures
Declare message(line1$, line2$, color.l=$ffffff, tile.w=-1, tile_type.b = 0, display_for.l=2000)
Declare fade_map_screen_out(*map.map_struct)
Declare fade_map_screen_in(*map.map_struct)
Declare.b add_monster(*map.map_struct, *new_monster.monster_struct)
Declare experience(experience_points.w = 1, game_start.b = 0)
Declare play_sound(sound_filename$)
Declare.w attribute_current_val(id.w, include_attribute_cap.b = 1, include_power_adjustment.b = 1, include_item_bonus_adjustment.b = 1)
Declare add_random_item(x.w, y.w, rarity.w = 5, class$ = "")
Declare.w random_item_type(rarity.l = 5, class$ = "", artefact.b = 0)
Declare place_random_monster(*map.map_struct, max_monster_level.w = 99999)
Declare.w magic_bonus()
Declare.w perception_val(tile_class$)
Declare.w modify_attribute(attribute_id.w, value.w)
Declare.b restore_attribute(id.w)
Declare animation(name$, x.b = 6, y.b = 6, animation_parameter.w = 0)
Declare.b field_contains_monster(x.b, y.b)
; resets a tile type definition db
Procedure reset_tile_type_db(*tileset.tileset_struct)
Protected i.l, j.w
For i=0 To #MAX_NUMBER_OF_TILE_TYPES-1
With *tileset\tile_type_db[i]
\in_use = 0
\name$ = ""
\solid = 0
\blocks_flight = 0
\transparent = 0
\message$ = ""
\remove_after_entering = 0
\sound$ = ""
\class$ = ""
\transforms_into = 0
\container = 0
\hidden = 0
\detection_message$ = ""
\detection_sound$ = ""
\animation_enter$ = ""
EndWith
For j = 0 To #MAX_NUMBER_OF_ATTRIBUTES_MODIFIED_BY_TILE - 1
With *tileset\tile_type_db[i]\modify_attribute[j]
\attribute = 0
\attribute_name$ = ""
\amount = 0
\amount_randomized = 0
\amount_reduced_by_ability = 0
\amount_reduced_by_ability_name$ = ""
\replenish = 0
\trigger_hidden = 0
\turn_ends = 0
EndWith
Next
Next
EndProcedure
; resolve ability names in tile type db
Procedure resolve_tile_type_definition_names(*tileset.tileset_struct)
Protected i.w, j.w, k.w
For i=0 To #MAX_NUMBER_OF_TILE_TYPES - 1
For j = 0 To #MAX_NUMBER_OF_ATTRIBUTES_MODIFIED_BY_TILE - 1
For k=0 To #MAX_NUMBER_OF_ABILITIES - 1
If ability_db(k)\name$ = *tileset\tile_type_db[i]\modify_attribute[j]\attribute_name$
*tileset\tile_type_db[i]\modify_attribute[j]\attribute = k
EndIf
If ability_db(k)\name$ = *tileset\tile_type_db[i]\modify_attribute[j]\amount_reduced_by_ability_name$
*tileset\tile_type_db[i]\modify_attribute[j]\amount_reduced_by_ability = k
EndIf
Next
Next
Next
EndProcedure
; resets a tileset
Procedure reset_tileset(*tileset.tileset_struct)
*tileset\name$ = ""
*tileset\image_filename$ = ""
*tileset\definition_filename$ = ""
If *tileset\image_loaded
FreeImage(*tileset\image)
EndIf
*tileset\image_loaded = 0
If *tileset\sprite_loaded
FreeSprite(*tileset\sprite)
EndIf
*tileset\sprite_loaded = 0
*tileset\rows = 0
*tileset\columns = 0
*tileset\definition_filename$ = ""
reset_tile_type_db(*tileset)
EndProcedure
; load tile type definition into tile type database
Procedure load_tile_type_definition(*tileset.tileset_struct)
Protected x.b, y.b, id.w=0, solid.b=0, transparent.b=0, ability.w, ability_name$
Protected amount.w, amount_randomized.b, message$, remove_after_entering.b, replenish.b
Protected sound$, amount_reduced_by_ability_name$, amount_reduced_by_ability.w
Protected class$, transforms_into.w, container.b, modify_attribute_idx.b
Protected new_tile_type.tile_type_db_struct
Protected new_modify_attribute.modify_attribute_by_tile_struct
Protected *mainnode, *node, val$, *childnode, val2$
If CreateXML(0) = 0
error_message("load_tile_type_defition(): could not create xml structure in memory!")
EndIf
If FileSize("tilesets\" + GetFilePart(*tileset\definition_filename$)) < 1
error_message("load_tile_type_defition(): could not find tile type definition xml file: " + Chr(34) + *tileset\definition_filename$ + Chr(34))
EndIf
If LoadXML(0, "tilesets\" + GetFilePart(*tileset\definition_filename$)) = 0
error_message("load_tile_type_defition(): could not open tile type definition xml file: " + Chr(34) + *tileset\definition_filename$ + Chr(34))
EndIf
If XMLStatus(0) <> 0
error_message("load_tile_type_defition(): error in xml structure of map file " + Chr(34) + GetFilePart(*tileset\definition_filename$) + Chr(34) + ": " + XMLError(0))
EndIf
reset_tile_type_db(*tileset)
*mainnode = MainXMLNode(0)
If ExamineXMLAttributes(*mainnode)
While NextXMLAttribute(*mainnode)
val$ = XMLAttributeValue(*mainnode)
Select XMLAttributeName(*mainnode)
Case "filename":
;tileset_filename$ = val$
Case "Lost_Labyrinth_version":
Default:
error_message("load_tile_type_defition(): unknown attribute " + Chr(34) + XMLAttributeName(*mainnode) + Chr(34) + " in tileset definition file " + Chr(34) + *tileset\definition_filename$ + Chr(34))
EndSelect
Wend
EndIf
If *mainnode
*node = ChildXMLNode(*mainnode)
While *node <> 0
Select GetXMLNodeName(*node)
Case "tile_type":
With new_tile_type
\in_use = 0
\name$ = ""
\solid = 0
\blocks_flight = 0
\transparent = 0
\message$ = ""
\remove_after_entering = 0
\sound$ = ""
\class$ = ""
\transforms_into = 0
\container = 0
\hidden = 0
\detection_message$ = ""
\detection_sound$ = ""
\animation_enter$ = ""
EndWith
id = -1
modify_attribute_idx = 0
If ExamineXMLAttributes(*node)
While NextXMLAttribute(*node)
val$ = XMLAttributeValue(*node)
Select XMLAttributeName(*node)
Case "id":
id = Val(val$)
Case "solid":
If val$ = "yes"
new_tile_type\solid = 1
EndIf
Case "blocks_flight":
If val$ = "yes"
new_tile_type\blocks_flight = 1
EndIf
Case "name":
new_tile_type\name$ = val$
Case "transparent":
If val$ = "yes"
new_tile_type\transparent = 1
EndIf
Case "message":
new_tile_type\message$ = val$
Case "remove_after_entering":
If val$="yes"
new_tile_type\remove_after_entering = 1
EndIf
Case "sound":
new_tile_type\sound$ = val$
Case "transforms_into":
new_tile_type\transforms_into = Val(val$)
Case "class":
new_tile_type\class$ = val$
Case "container":
new_tile_type\container = Val(val$)
Case "hidden":
If val$ = "yes"
new_tile_type\hidden = 1
EndIf
Case "detection_message":
new_tile_type\detection_message$ = val$
Case "detection_sound":
new_tile_type\detection_sound$ = val$
Case "animation_enter":
new_tile_type\animation_enter$ = val$
Default:
error_message("load_tile_type_definition(): unknown attribute " + Chr(34) + XMLAttributeName(*node) + Chr(34) + " for tile_type tag in file " + Chr(34) + *tileset\definition_filename$ + Chr(34))
EndSelect
Wend
EndIf
If id >= 0 And id < #MAX_NUMBER_OF_TILE_TYPES
With *tileset\tile_type_db[id]
\name$ = new_tile_type\name$
\solid = new_tile_type\solid
\transparent = new_tile_type\transparent
\in_use = 1
\message$ = new_tile_type\message$
\remove_after_entering = new_tile_type\remove_after_entering
\sound$ = new_tile_type\sound$
\transforms_into = new_tile_type\transforms_into
\class$ = new_tile_type\class$
\container = new_tile_type\container
\hidden = new_tile_type\hidden
\detection_message$ = new_tile_type\detection_message$
\detection_sound$ = new_tile_type\detection_sound$
\animation_enter$ = new_tile_type\animation_enter$
EndWith
EndIf
*childnode = ChildXMLNode(*node)
While *childnode <> 0
Select GetXMLNodeName(*childnode)
Case "name":
If ExamineXMLAttributes(*childnode)
While NextXMLAttribute(*childnode)
val2$ = XMLAttributeValue(*childnode)
Select XMLAttributeName(*childnode)
Case "language":
If val2$ = preferences\language$
*tileset\tile_type_db[id]\name$ = GetXMLNodeText(*childnode)
EndIf
Default:
error_message("load_tile_type_definition(): unknown attribute " + Chr(34) + XMLAttributeName(*childnode) + Chr(34) + " in name tag in tileset xml file " + Chr(34) + *tileset\definition_filename$ + Chr(34))
EndSelect
Wend
EndIf
Case "message":
If ExamineXMLAttributes(*childnode)
While NextXMLAttribute(*childnode)
val2$ = XMLAttributeValue(*childnode)
Select XMLAttributeName(*childnode)
Case "language":
If val2$ = preferences\language$
*tileset\tile_type_db[id]\message$ = GetXMLNodeText(*childnode)
EndIf
Default:
error_message("load_tile_type_definition(): unknown attribute " + Chr(34) + XMLAttributeName(*childnode) + Chr(34) + " in message tag in tileset xml file " + Chr(34) + *tileset\definition_filename$ + Chr(34))
EndSelect
Wend
EndIf
Case "detection_message":
If ExamineXMLAttributes(*childnode)
While NextXMLAttribute(*childnode)
val2$ = XMLAttributeValue(*childnode)
Select XMLAttributeName(*childnode)
Case "language":
If val2$ = preferences\language$
*tileset\tile_type_db[id]\detection_message$ = GetXMLNodeText(*childnode)
EndIf
Default:
error_message("load_tile_type_definition(): unknown attribute " + Chr(34) + XMLAttributeName(*childnode) + Chr(34) + " in detection_message tag in tileset xml file " + Chr(34) + *tileset\definition_filename$ + Chr(34))
EndSelect
Wend
EndIf
Case "modify_attribute":
With new_modify_attribute
\attribute = 0
\attribute_name$ = ""
\amount = 0
\amount_randomized = 0
\amount_reduced_by_ability = 0
\amount_reduced_by_ability_name$ = ""
\replenish = 0
\trigger_hidden = 0
\turn_ends = 0
EndWith
If ExamineXMLAttributes(*childnode)
While NextXMLAttribute(*childnode)
val2$ = XMLAttributeValue(*childnode)
Select XMLAttributeName(*childnode)
Case "attribute":
new_modify_attribute\attribute = Val(val2$)
Case "attribute_name":
new_modify_attribute\attribute_name$ = val2$
Case "amount":
new_modify_attribute\amount = Val(val2$)
Case "amount_randomized":
If val2$ = "yes"
new_modify_attribute\amount_randomized = 1
EndIf
Case "amount_reduced_by_ability":
new_modify_attribute\amount_reduced_by_ability = 0
Case "amount_reduced_by_ability_name":
new_modify_attribute\amount_reduced_by_ability_name$ = val2$
Case "replenish":
If val2$ = "yes"
new_modify_attribute\replenish = 1
EndIf
Case "trigger_hidden":
If val2$ = "yes"
new_modify_attribute\trigger_hidden = 1
EndIf
Case "turn_ends":
If val2$ = "yes"
new_modify_attribute\turn_ends = 1
EndIf
Default:
error_message("load_tile_type_definition(): unknown attribute " + Chr(34) + XMLAttributeName(*childnode) + Chr(34) + " in detection_message tag in tileset xml file " + Chr(34) + *tileset\definition_filename$ + Chr(34))
EndSelect
Wend
If new_modify_attribute\attribute > 0 Or new_modify_attribute\attribute_name$ <> ""
If modify_attribute_idx >= #MAX_NUMBER_OF_ATTRIBUTES_MODIFIED_BY_TILE
error_message("load_tile_type_definition(): too much modify_attribute tags for one tile type in tileset xml file " + Chr(34) + *tileset\definition_filename$ + Chr(34))
EndIf
With *tileset\tile_type_db[id]\modify_attribute[modify_attribute_idx]
\attribute = new_modify_attribute\attribute
\attribute_name$ = new_modify_attribute\attribute_name$
\amount = new_modify_attribute\amount
\amount_randomized = new_modify_attribute\amount_randomized
\amount_reduced_by_ability = new_modify_attribute\amount_reduced_by_ability
\amount_reduced_by_ability_name$ = new_modify_attribute\amount_reduced_by_ability_name$
\replenish = new_modify_attribute\replenish
\trigger_hidden = new_modify_attribute\trigger_hidden
\turn_ends = new_modify_attribute\turn_ends
EndWith
EndIf
EndIf
Default:
error_message("load_tile_type_definition(): unknown tag " + Chr(34) + GetXMLNodeName(*childnode) + Chr(34) + " in tileset xml file " + *tileset\definition_filename$ + Chr(34))
EndSelect
*childnode = NextXMLNode(*childnode)
Wend
Default:
error_message("load_tile_type_definition(): unknown tag " + Chr(34) + GetXMLNodeName(*node) + Chr(34) + " in file " + *tileset\definition_filename$ + Chr(34))
EndSelect
*node = NextXMLNode(*node)
Wend
EndIf
FreeXML(0)
resolve_tile_type_definition_names(*tileset)
EndProcedure
; loads a new tileset
Procedure load_tileset(*tileset.tileset_struct, load_sprite.b=1, load_image.b=0)
If FileSize("tilesets\" + GetFilePart(*tileset\image_filename$)) < 0
error_message("load_tileset: cannot find tileset image file " + Chr(34) + "tiles\" + GetFilePart(*tileset\image_filename$) + Chr(34))
EndIf
If *tileset\image_loaded = 1
If IsImage(*tileset\image)
FreeImage(*tileset\image)
EndIf
EndIf
If tileset\sprite_loaded = 1
If IsSprite(*tileset\sprite)
FreeSprite(*tileset\sprite)
EndIf
EndIf
tileset\image_loaded = 0
tileset\sprite_loaded = 0
If load_image = 1
*tileset\image = LoadImage(#PB_Any, "tilesets\" + GetFilePart(*tileset\image_filename$))
*tileset\columns = Int(ImageWidth(*tileset\image) / 32)
*tileset\rows = Int(ImageHeight(*tileset\image) / 32)
*tileset\image_loaded = 1
EndIf
If load_sprite = 1
*tileset\sprite = LoadSprite(#PB_Any, "tilesets\" + GetFilePart(*tileset\image_filename$))
*tileset\columns = Int(SpriteWidth(*tileset\sprite) / 32)
*tileset\rows = Int(SpriteHeight(*tileset\sprite) / 32)
*tileset\sprite_loaded = 1
EndIf
load_tile_type_definition(*tileset)
EndProcedure
; returns tile type for current map on position x/y
Procedure.w read_map_tile_type(*map.map_struct, x.b, y.b)
Protected tile_type.w
tile_type = 0
If x<0 Or x>=#MAP_DIMENSION_X Or y<0 Or y>=#MAP_DIMENSION_Y
tile_type = *map\tile_outside_map
Else
tile_type = *map\mapfield[x+y*#MAP_DIMENSION_Y]\tile_type
EndIf
ProcedureReturn tile_type
EndProcedure
; search for random field with tile type; returns 1 if successfull, else 0
Procedure.b random_field(*map.map_struct, *coordinates.coordinates_struct, tile_type.w = -1, limit_x.w =#MAP_DIMENSION_X, limit_y.w = #MAP_DIMENSION_Y)
Protected rc.b = 0, x.w = 0, y.w = 0, timeout.w = 0
If tile_type = -1
tile_type = *map\background_tile
EndIf
Repeat
x = Random(limit_x - 1)
y = Random(limit_y - 1)
timeout = timeout + 1
Until read_map_tile_type(*map, x, y) = tile_type Or timeout > 100
If timeout <= 100
rc = 1
*coordinates\x = x
*coordinates\y = y
EndIf
ProcedureReturn rc
EndProcedure
; sets tile type for current map on position x/y
Procedure set_map_tile_type(*map.map_struct, x.b, y.b, tile_type.w)
If tile_type<0 Or tile_type>=#MAX_NUMBER_OF_TILE_TYPES
error_message("set_map_tile_type: wrong tile_type: " + Str(tile_type))
EndIf
;If *map\tileset\tile_type_db[tile_type]\in_use = 0
;error_message("set_map_tile_type: tile type not in tile type definition db: " + Str(tile_type))
;EndIf
If x<0 Or x>#MAP_DIMENSION_X Or y<0 Or y>#MAP_DIMENSION_Y
error_message("set_map_tile_type: wrong parameters: x="+Str(x)+"; y="+Str(y))
EndIf
*map\mapfield[x+y*#MAP_DIMENSION_Y]\tile_type = tile_type
EndProcedure
; sets portal for current map on position x/y
Procedure set_map_portal(*map.map_struct, x.b, y.b, map_filename$="", target_x.b=0, target_y.b=0)
If x<0 Or x>#MAP_DIMENSION_X Or y<0 Or y>#MAP_DIMENSION_Y
error_message("set_map_portal: wrong parameters: x="+Str(x)+"; y="+Str(y))
EndIf
If target_x<0 Or target_x>#MAP_DIMENSION_X Or target_y<0 Or target_y>#MAP_DIMENSION_Y
error_message("set_map_portal: wrong parameters: target_x="+Str(x)+"; target_y="+Str(y))
EndIf
*map\mapfield[x+y*#MAP_DIMENSION_Y]\portal_mapfile = map_filename$
*map\mapfield[x+y*#MAP_DIMENSION_Y]\portal_x = target_x
*map\mapfield[x+y*#MAP_DIMENSION_Y]\portal_y = target_y
EndProcedure
; sets message for field when entering/pushing
Procedure set_map_message(*map.map_struct, x.b, y.b, message_line1$, message_line2$, message_tile.w=0)
If x >= 0 And x < #MAP_DIMENSION_X And y >= 0 And y< #MAP_DIMENSION_Y
*map\mapfield[x + y * #MAP_DIMENSION_Y]\message_line1$ = message_line1$
*map\mapfield[x + y * #MAP_DIMENSION_Y]\message_line2$ = message_line2$
*map\mapfield[x + y * #MAP_DIMENSION_Y]\message_tile = message_tile
EndIf
EndProcedure
; sets a map event trigger for field
Procedure set_map_event(*map.map_struct, x.b, y.b, event$, event_xp.b=0)
If x >= 0 And x < #MAP_DIMENSION_X And y >= 0 And y < #MAP_DIMENSION_Y
*map\mapfield[x + y * #MAP_DIMENSION_Y]\event$ = event$
*map\mapfield[x + y * #MAP_DIMENSION_Y]\event_xp = event_xp
EndIf
EndProcedure
; set power used for map position x/y
Procedure set_map_power_used(*map.map_struct, x.b, y.b, power_used$)
If x >= 0 And x < #MAP_DIMENSION_X And y >= 0 And y < #MAP_DIMENSION_Y
*map\mapfield[x + y * #MAP_DIMENSION_Y]\power_used$ = power_used$
EndIf
EndProcedure
; add power used for map position x/y
Procedure add_map_power_used(*map.map_struct, x.b, y.b, power$)
If x >= 0 And x < #MAP_DIMENSION_X And y >= 0 And y < #MAP_DIMENSION_Y
If compare_string_lists(*map\mapfield[x + y * #MAP_DIMENSION_Y]\power_used$, power$) = 0
If *map\mapfield[x + y * #MAP_DIMENSION_Y]\power_used$ <> ""
*map\mapfield[x + y * #MAP_DIMENSION_Y]\power_used$ = *map\mapfield[x + y * #MAP_DIMENSION_Y]\power_used$ + "|"
EndIf
*map\mapfield[x + y * #MAP_DIMENSION_Y]\power_used$ = *map\mapfield[x + y * #MAP_DIMENSION_Y]\power_used$ + power$
EndIf
EndIf
EndProcedure
; sets visited flag for map position x/y
Procedure set_map_visited(*map.map_struct, x.b, y.w, visited.b = 1)
If x >= 0 And x < #MAP_DIMENSION_X And y >= 0 And y < #MAP_DIMENSION_Y
*map\mapfield[x + y * #MAP_DIMENSION_Y]\visited = visited
EndIf
EndProcedure
; sets hidden flag for map position x/y
Procedure set_map_hidden(*map.map_struct, x.b, y.w, hidden.b = 1)
If x >= 0 And x < #MAP_DIMENSION_X And y >= 0 And y < #MAP_DIMENSION_Y
*map\mapfield[x + y * #MAP_DIMENSION_Y]\hidden = hidden
EndIf
EndProcedure
; reads first line of message for field when entering/pushing
Procedure.s read_map_message_line1(*map.map_struct, x.b, y.b)
If x<0 Or x>#MAP_DIMENSION_X Or y<0 Or y>#MAP_DIMENSION_Y
error_message("read_map_message_line1: wrong parameters: x="+Str(x)+"; y="+Str(y))
EndIf
ProcedureReturn *map\mapfield[x+y*#MAP_DIMENSION_Y]\message_line1$
EndProcedure
; reads second line of message for field when entering/pushing
Procedure.s read_map_message_line2(*map.map_struct, x.b, y.b)
If x<0 Or x>#MAP_DIMENSION_X Or y<0 Or y>#MAP_DIMENSION_Y
error_message("read_map_message_line2: wrong parameters: x="+Str(x)+"; y="+Str(y))
EndIf
ProcedureReturn *map\mapfield[x+y*#MAP_DIMENSION_Y]\message_line2$
EndProcedure
; reads message tile for field displayed when entering/pushing
Procedure.w read_map_message_tile(*map.map_struct, x.b, y.b)
If x<0 Or x>#MAP_DIMENSION_X Or y<0 Or y>#MAP_DIMENSION_Y
error_message("read_map_message_tile: wrong parameters: x="+Str(x)+"; y="+Str(y))
EndIf
ProcedureReturn *map\mapfield[x+y*#MAP_DIMENSION_Y]\message_tile
EndProcedure
; returns name of map event for pos x/y
Procedure.s read_map_event(*map.map_struct, x.b, y.b)
If x < 0 Or x >= #MAP_DIMENSION_X Or y < 0 Or y >= #MAP_DIMENSION_Y
error_message("read_map_event(): wrong parameters: x="+Str(x)+"; y="+Str(y))
EndIf
ProcedureReturn *map\mapfield[x+y*#MAP_DIMENSION_Y]\event$
EndProcedure
; returns xp gain of map event for pos x/y
Procedure.b read_map_event_xp(*map.map_struct, x.b, y.b)
If x < 0 Or x >= #MAP_DIMENSION_X Or y < 0 Or y >= #MAP_DIMENSION_Y
error_message("read_map_event_xp(): wrong parameters: x="+Str(x)+"; y="+Str(y))
EndIf
ProcedureReturn *map\mapfield[x + (y * #MAP_DIMENSION_Y)]\event_xp
EndProcedure
; reads power used string on map field on position x/y
Procedure.s read_map_power_used(*map.map_struct, x.b, y.b)
Protected rc$ = ""
If x >= 0 And x < #MAP_DIMENSION_X And y >= 0 And y < #MAP_DIMENSION_Y
rc$ = *map\mapfield[x + (y * #MAP_DIMENSION_Y)]\power_used$
EndIf
ProcedureReturn rc$
EndProcedure
; reads if power was used on map field on position x/y
Procedure.b read_map_if_power_used(*map.map_struct, x.b, y.b, power$)
Protected rc.b = 0
If x >= 0 And x < #MAP_DIMENSION_X And y >= 0 And y < #MAP_DIMENSION_Y
rc = compare_string_lists(*map\mapfield[x + (y * #MAP_DIMENSION_Y)]\power_used$, power$)
EndIf
ProcedureReturn rc
EndProcedure
; returns visited flag for map position x/y
Procedure.b read_map_visited(*map.map_struct, x.b, y.b)
Protected rc.b = 0
If x < 0 Or x >= #MAP_DIMENSION_X Or y < 0 Or y >= #MAP_DIMENSION_Y
rc = 0
Else
rc = *map\mapfield[x + (y * #MAP_DIMENSION_Y)]\visited
EndIf
ProcedureReturn rc
EndProcedure
; returns hidden flag for map position x/y
Procedure.b read_map_hidden(*map.map_struct, x.b, y.b)
Protected rc.b = 0
If x < 0 Or x >= #MAP_DIMENSION_X Or y < 0 Or y >= #MAP_DIMENSION_Y
rc = 0
Else
rc = *map\mapfield[x + (y * #MAP_DIMENSION_Y)]\hidden
EndIf
ProcedureReturn rc
EndProcedure
; returns 1 if event has already been triggered, else 0
Procedure.b event_triggered(event$)
Protected rc.b = 0
ForEach map_event()
If map_event()\name$ = event$ And map_event()\triggered = 1
rc = 1
EndIf
Next
ProcedureReturn rc
EndProcedure
; returns experience gain for event
Procedure.b event_xp(event$)
Protected rc.b = 0
ForEach map_event()
If map_event()\name$ = event$
rc = map_event()\xp
EndIf
Next
ProcedureReturn rc
EndProcedure
; returns 1 if transformation list contains a transformation for coordinates x/y, else 0
Procedure.b field_contains_transformation(x.b, y.b)
Protected rc.b = 0
If x<0 Or x>#MAP_DIMENSION_X Or y<0 Or y>#MAP_DIMENSION_Y
error_message("field_contains_transformation: wrong parameters: x="+Str(x)+"; y="+Str(y))
EndIf
ForEach map_transformation()
If map_transformation()\x = x And map_transformation()\y = y
rc = 1
EndIf
Next
ProcedureReturn rc
EndProcedure
; triggers message when entering/pushing field; returns 1 if message has been triggered
Procedure.b trigger_map_message(*map.map_struct, x.b, y.b)
Protected rc.b, message_line1$, message_line2$
rc.b = 0
If x<0 Or x>#MAP_DIMENSION_X Or y<0 Or y>#MAP_DIMENSION_Y
Else
message_line1$ = read_map_message_line1(*map, x, y)
message_line2$ = read_map_message_line2(*map, x, y)
If message_line1$ <> "" Or message_line2$ <> ""
message(message_line1$, message_line2$, RGB(255,255,255), read_map_message_tile(*map, x, y), 0)
rc = 1
EndIf
EndIf
ProcedureReturn rc
EndProcedure
; returns filename of map file portal leads to
Procedure.s read_map_portal_mapfilename(*map.map_struct, x.b, y.b)
Protected map_filename$
map_filename$ = ""
If x<0 Or x>#MAP_DIMENSION_X Or y<0 Or y>#MAP_DIMENSION_Y
error_message("read_map_portal_mapfilename: wrong parameters: x="+Str(x)+"; y="+Str(y))
EndIf
map_filename$ = *map\mapfield[x+y*#MAP_DIMENSION_Y]\portal_mapfile
ProcedureReturn map_filename$
EndProcedure
; returns x target of portal
Procedure.b read_map_portal_target_x(*map.map_struct, x.b, y.b)
Protected target_x.b
target_x = 0
If x<0 Or x>#MAP_DIMENSION_X Or y<0 Or y>#MAP_DIMENSION_Y
error_message("read_map_portal_target_x: wrong parameters: x="+Str(x)+"; y="+Str(y))
EndIf
target_x = *map\mapfield[x+y*#MAP_DIMENSION_Y]\portal_x
ProcedureReturn target_x
EndProcedure
; returns y target of portal
Procedure.b read_map_portal_target_y(*map.map_struct, x.b, y.b)
Protected target_y.b
target_y = 0
If x<0 Or x>#MAP_DIMENSION_X Or y<0 Or y>#MAP_DIMENSION_Y
error_message("read_map_portal_target_y: wrong parameters: x="+Str(x)+"; y="+Str(y))
EndIf
target_y = *map\mapfield[x+y*#MAP_DIMENSION_Y]\portal_y
ProcedureReturn target_y
EndProcedure
; returns 1 if way is blocked, else 0
Procedure.b field_is_blocked(*map.map_struct, x.b, y.b)
Protected rc.b = 0, tile_type.w
tile_type = read_map_tile_type(*map, x, y)
If *map\tileset\tile_type_db[tile_type]\solid = 1
rc = 1
EndIf
ProcedureReturn rc
EndProcedure
; returns 1 if field is blocked for a monster, else 0
Procedure.b field_is_blocked_for_monster(*map.map_struct, x.b, y.b, monster_type)
Protected rc.b = 0, tile_type.w
tile_type = read_map_tile_type(*map, x, y)
If *map\tileset\tile_type_db[tile_type]\solid = 1 And monster_type_db(monster_type)\flying = 0
rc = 1
EndIf
If *map\tileset\tile_type_db[tile_type]\blocks_flight = 1 And monster_type_db(monster_type)\flying = 1
rc = 1
EndIf
If rc = 0
If field_contains_monster(x, y) = 1
rc = 1
EndIf
EndIf
ProcedureReturn rc
EndProcedure
; returns 1 if tile type blocks flight, else 0
Procedure.b field_blocks_flight(*map.map_struct, x.b, y.b)
Protected rc.b = 0, tile_type.w = 0
tile_type = read_map_tile_type(*map, x, y)
If *map\tileset\tile_type_db[tile_type]\blocks_flight = 1
rc = 1
EndIf
ProcedureReturn rc
EndProcedure
; returns 1 if field is an open portal, else 0
Procedure.b field_is_open_portal(*map.map_struct, x.b, y.b)
Protected rc.b
rc.b = 0
If read_map_portal_mapfilename(*map, x, y) <> ""
rc = 1
EndIf
ProcedureReturn rc
EndProcedure
; returns 1 if field contains a dungeon entrance, else 0
Procedure.b field_contains_dungeon_entrance(x.w, y.w)
Protected rc.b
ForEach dungeon_on_map()
If dungeon_on_map()\xpos = x And dungeon_on_map()\ypos = y
rc = 1
EndIf
Next
ProcedureReturn rc
EndProcedure
; fills complete map with one tile type
Procedure fill_map(*map.map_struct, tile_type.w)
Protected x.b,y.b
For y=0 To #MAP_DIMENSION_Y-1
For x=0 To #MAP_DIMENSION_X-1
set_map_tile_type(*map, x, y, tile_type)
set_map_portal(*map, x, y, "", 0, 0)
set_map_message(*map, x, y, "", "")
Next
Next
EndProcedure
; returns most used tile in a map
Procedure.w most_used_tile(*map.map_struct)
Protected Dim tile_count(#MAX_NUMBER_OF_TILE_TYPES)
Protected x.b, y.b, i.w, tile_type.w, rc.w, max_tile_count.l
For y=0 To #MAP_DIMENSION_Y-1
For x=0 To #MAP_DIMENSION_X-1
tile_type = read_map_tile_type(*map, x, y)
tile_count(tile_type) = tile_count(tile_type) + 1
Next
Next
rc = -1
max_tile_count = 0
For i=0 To #MAX_NUMBER_OF_TILE_TYPES-1
If tile_count(i) > max_tile_count
max_tile_count = tile_count(i)
rc = i
EndIf
Next
Dim tile_count(0) ; free array
ProcedureReturn rc
EndProcedure
; adds a new event to the map event list; returns 1 if event has been successfully added, else 0
Procedure.b add_map_event(event$, triggered.b = 0, xp.b = 0)
Protected event_found.b = 0, rc.b = 0
ForEach map_event()
If map_event()\name$ = event$
event_found = 1
EndIf
Next
If event_found = 0
AddElement(map_event())
map_event()\name$ = event$
map_event()\triggered = triggered
map_event()\xp = xp
rc = 1
EndIf
ProcedureReturn rc
EndProcedure
; build map event list from map
Procedure build_map_event_list(*map.map_struct, include_transformation_events.b=1)
Protected x.b, y.b, event_found.b, event$, event_xp.b
ClearList(map_event())
For y.b=0 To #MAP_DIMENSION_Y-1
For x.b=0 To #MAP_DIMENSION_X-1
event$ = read_map_event(*map, x, y)
event_xp = read_map_event_xp(*map, x, y)
If event$ <> ""
add_map_event(event$, 0, event_xp)
EndIf
Next
Next
If include_transformation_events = 1
ForEach map_transformation()
If map_transformation()\new_field\event$ <> ""
add_map_event(map_transformation()\new_field\event$, 0)
EndIf
Next
EndIf
EndProcedure
; adds a new map transformation; returns 1 if transformation has successfully been added, else 0
Procedure.b add_map_transformation(*new_transformation.map_transformation_struct)
Protected transformation_found.b = 0, rc.b=0
ForEach map_transformation()
If map_transformation()\x = *new_transformation\x And map_transformation()\y = *new_transformation\y And map_transformation()\event$ = *new_transformation\event$
transformation_found = 1
EndIf
Next
If transformation_found = 0
AddElement(map_transformation())
map_transformation()\x = *new_transformation\x
map_transformation()\y = *new_transformation\y
map_transformation()\triggered = *new_transformation\triggered
map_transformation()\event$ = *new_transformation\event$
map_transformation()\new_field\tile_type = *new_transformation\new_field\tile_type
map_transformation()\new_field\portal_mapfile = *new_transformation\new_field\portal_mapfile
map_transformation()\new_field\portal_x = *new_transformation\new_field\portal_x
map_transformation()\new_field\portal_y = *new_transformation\new_field\portal_y
map_transformation()\new_field\message_line1$ = *new_transformation\new_field\message_line1$
map_transformation()\new_field\message_line2$ = *new_transformation\new_field\message_line2$
map_transformation()\new_field\message_tile = *new_transformation\new_field\message_tile
map_transformation()\new_field\event$ = *new_transformation\new_field\event$
rc = 1
EndIf
ProcedureReturn rc
EndProcedure
; triggers a transformation; returns 1 if transformation has successfully been triggered, else 0
Procedure.b trigger_map_transformation(*map.map_struct, event$)
Protected x.b, y.b, tile_type.w, portal_mapfile$, portal_x.b, portal_y.b
Protected message_line1$, message_line2$, message_tile.w, new_event$
ForEach map_transformation()
If map_transformation()\event$ = event$ And map_transformation()\triggered = 0
x = map_transformation()\x
y = map_transformation()\y
tile_type = map_transformation()\new_field\tile_type
portal_mapfile$ = map_transformation()\new_field\portal_mapfile
portal_x = map_transformation()\new_field\portal_x
portal_y = map_transformation()\new_field\portal_y
message_line1$ = map_transformation()\new_field\message_line1$
message_line2$ = map_transformation()\new_field\message_line2$
message_tile = map_transformation()\new_field\message_tile
new_event$ = map_transformation()\new_field\event$
set_map_tile_type(*map, x, y, tile_type)
set_map_portal(*map, x, y, portal_mapfile$, portal_x, portal_y)
set_map_message(*map, x, y, message_line1$, message_line2$, message_tile)
If new_event$ <> ""
set_map_event(*map, x, y, new_event$)
add_map_event(new_event$, 0)
EndIf
EndIf
Next
EndProcedure
; triggers a map event; returns 1 if event has successfully been triggered, else 0
Procedure.b trigger_map_event(*map.map_struct, x.b, y.b)
Protected event$ = "", rc.b = 0, xp.b
If x<0 Or x>#MAP_DIMENSION_X Or y<0 Or y>#MAP_DIMENSION_Y
error_message("trigger_map_event: wrong parameters: x="+Str(x)+"; y="+Str(y))
EndIf
event$ = read_map_event(*map, x, y)
If event$ <> ""
ForEach map_event()
If map_event()\name$ = event$
If map_event()\triggered <> 1
map_event()\triggered = 1
rc = 1
EndIf
EndIf
Next
EndIf
If rc = 1
xp = event_xp(event$)
If xp > 0
experience(xp)
EndIf
trigger_map_transformation(*map, event$)
EndIf
ProcedureReturn rc
EndProcedure
; resets all map parameter
Procedure reset_map(*map.map_struct)
Protected x.w, y.w
*map\name = ""
*map\filename$ = ""
ClearList(map_event())
ClearList(map_transformation())
ClearList(monster())
ClearList(item_on_map())
ClearList(dungeon_on_map())
reset_tileset(*map\tileset)
For y=0 To #MAP_DIMENSION_Y-1
For x=0 To #MAP_DIMENSION_X-1
*map\mapfield[x+y*#MAP_DIMENSION_Y]\tile_type = 0
set_map_portal(*map, x, y, "", 0, 0)
set_map_message(*map, x, y, "", "", 0)
set_map_event(*map, x, y, "")
set_map_hidden(*map, x, y, 0)
set_map_visited(*map, x, y, 0)
*map\mapfield[x+y*#MAP_DIMENSION_Y]\event_xp = 0
Next
Next
*map\tile_outside_map = 0
*map\default_tile = 0
*map\background_tile = 0
*map\spawn_monster_level = 0
*map\spawn_monster_chance = 0
*map\visited = 0
EndProcedure
; loads map from file
Procedure load_map(*map.map_struct, map_filename$ = "maps\map_start.xml", load_tileset.b=1)
Protected x.b, y.b, portal_mapfile$, portal_x.b, portal_y.b, event$, event_found.b, tile_type.w, event_triggered.b
Protected new_event$, transformation_triggered.b, transformation.map_transformation_struct
Protected message_tile.w, new_monster.monster_struct, event_xp.b, tried.b, lighting.b
Protected new_item.item_on_map_struct, new_dungeon.dungeon_struct
Protected visited.b, hidden.b, power_used$, *mainnode, *node, val$
Protected message_line1$, message_line2$
reset_map(*map)