General reimplementation and simplification...
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xabina.adb
201
xabina.adb
@ -23,60 +23,6 @@ function xabina return integer is
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-- System
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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SIGNAL_A : constant character := 'a';
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SIGNAL_B : constant character := 'b';
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SIGNAL_C : constant character := 'c';
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SIGNAL_D : constant character := 'd';
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SIGNAL_E : constant character := 'e';
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SIGNAL_F : constant character := 'f';
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SIGNAL_G : constant character := 'g';
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SIGNAL_H : constant character := 'h';
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SIGNAL_I : constant character := 'i';
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SIGNAL_J : constant character := 'j';
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SIGNAL_K : constant character := 'k';
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SIGNAL_L : constant character := 'l';
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SIGNAL_M : constant character := 'm';
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SIGNAL_N : constant character := 'n';
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SIGNAL_O : constant character := 'o';
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SIGNAL_P : constant character := 'p';
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SIGNAL_Q : constant character := 'q';
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SIGNAL_R : constant character := 'r';
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SIGNAL_S : constant character := 's';
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SIGNAL_T : constant character := 't';
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SIGNAL_U : constant character := 'u';
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SIGNAL_V : constant character := 'v';
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SIGNAL_W : constant character := 'w';
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SIGNAL_X : constant character := 'x';
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SIGNAL_Y : constant character := 'y';
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SIGNAL_Z : constant character := 'z';
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SIGNAL_0 : constant character := '0';
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SIGNAL_1 : constant character := '1';
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SIGNAL_2 : constant character := '2';
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SIGNAL_3 : constant character := '3';
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SIGNAL_4 : constant character := '4';
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SIGNAL_5 : constant character := '5';
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SIGNAL_6 : constant character := '6';
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SIGNAL_7 : constant character := '7';
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SIGNAL_8 : constant character := '8';
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SIGNAL_9 : constant character := '9';
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SIGNAL_DOT : constant character := '.';
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SIGNAL_COMMA : constant character := ',';
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SIGNAL_SEMICOLON : constant character := ';';
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SIGNAL_SLASH : constant character := '/';
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SIGNAL_BACKSLASH : constant character := '\';
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SIGNAL_QUOTE : constant character := ''';
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SIGNAL_BACKQUOTE : constant character := '`';
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SIGNAL_SPACE : constant character := ' ';
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SIGNAL_BACKSPACE : constant character := character'val ( 8);
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SIGNAL_TABULATOR : constant character := character'val ( 9);
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SIGNAL_LINE_FEED : constant character := character'val (13);
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SIGNAL_IDLE : constant character := character'val (24);
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type signal_list is mod 128;
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COLOUR_GREY : constant character := '0';
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COLOUR_RED : constant character := '1';
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COLOUR_GREEN : constant character := '2';
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@ -98,11 +44,9 @@ function xabina return integer is
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LINE_FEED : constant character := character'val (13);
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ESCAPE : constant character := character'val (27);
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function format_symbol (
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symbol : character := ' ';
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colour : character := COLOUR_WHITE;
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effect : character := EFFECT_NORMAL
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) return string is
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function format_symbol (symbol : character := ' ';
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colour : character := COLOUR_WHITE;
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effect : character := EFFECT_NORMAL) return string is
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format : string (1 .. 12) := escape & "[E;3CmS" & escape & "[0m";
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begin
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format (8) := symbol;
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@ -144,6 +88,9 @@ function xabina return integer is
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-- -- Map data is only constant, not variable, since X and Y coordinates are determined by player, camera or global position.
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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type map_width is mod 120;
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type map_height is mod 40;
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type map_list is (
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STONE_WALL, WOODEN_WALL, STONE_FLOOR, WOODEN_FLOOR, WATER_SHALLOW, WATER_DEEP, SWAMP_SHALLOW, SWAMP_DEEP
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);
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@ -521,56 +468,72 @@ function xabina return integer is
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-- Player
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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type player_data is
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record
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x : map_width := 0;
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y : map_height := 0;
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health : natural := 0;
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armour : natural := 0;
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mana : natural := 0;
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stamina : natural := 0;
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end record;
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player : player_data;
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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-- Gameplay
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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-- Terminal
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-- -- Currently constant, gonna use either my xurses library or <termios.h> C bindings.
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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procedure action_idle;
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type procedure_pointer is access procedure;
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type action_data is array (signal_list) of procedure_pointer;
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type ascii_range is mod 2 ** 8;
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type action_data is array (ascii_range) of procedure_pointer;
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active : boolean := true;
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signal : character := SIGNAL_IDLE;
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width : natural := 120;
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height : natural := 40;
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buffer : unbounded_string := null_unbounded_string;
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procedure action_idle is
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begin
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null;
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end action_idle;
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procedure action_exit is
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begin
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active := false;
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end action_exit;
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signal : character := ' ';
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action_list : action_data := (others => action_idle'access);
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procedure bind (
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key : character := SIGNAL_IDLE;
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act : procedure_pointer := action_idle'access
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) is
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procedure bind (symbol : character := CANCEL;
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action : procedure_pointer := action_idle'access) is
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begin
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action_list (character'pos (key)) := act;
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action_list (character'pos (symbol)) := action;
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end bind;
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procedure unbind (
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key : character := SIGNAL_IDLE
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) is
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procedure unbind (symbol : character := CANCEL) is
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begin
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action_list (character'pos (key)) := action_idle'access;
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action_list (character'pos (symbol)) := action_idle'access;
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end unbind;
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procedure action_draw is
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procedure action_idle is begin null; end action_idle;
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procedure action_exit is begin active := false; end action_exit;
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procedure action_move_up is begin player.y := player.y - 1; end action_move_up;
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procedure action_move_down is begin player.y := player.y + 1; end action_move_down;
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procedure action_move_left is begin player.x := player.x - 1; end action_move_left;
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procedure action_move_right is begin player.x := player.x + 1; end action_move_right;
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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-- Render
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-- -- Currently constant, gonna use either my xurses library or <termios.h> C bindings.
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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--~buffer_constant_data : string (1 .. 3 + 12 * 120 * 40 + 2 * 40);
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--~buffer_constant_data : string (1 .. 3 + 12 * map_width * map_height + 2 * map_height);
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--~buffer_variable_data : string (1 .. 3 + 12 * map_width * map_height + 2 * map_height);
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procedure render is
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begin
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buffer := buffer & format_symbol ('@', COLOUR_RED, EFFECT_BOLD);
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end action_draw;
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put (ESCAPE & "[H");
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for y in map_height
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loop
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for x in map_width
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loop
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put (format_symbol ('~', COLOUR_RED, EFFECT_BOLD));
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end loop;
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put (CARRIAGE_RETURN & LINE_FEED);
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end loop;
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end render;
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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-- Main
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@ -578,68 +541,16 @@ function xabina return integer is
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begin
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bind (SIGNAL_Q, action_exit'access);
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bind (SIGNAL_E, action_draw'access);
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bind ('q', action_exit'access);
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loop
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exit when active = false;
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buffer := to_unbounded_string (escape & "[H");
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signal := CANCEL;
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for y in 1 .. height
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loop
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for x in 1 .. width
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loop
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buffer := buffer & format_symbol ('X', COLOUR_GREY, EFFECT_BOLD);
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end loop;
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buffer := buffer & carriage_return & line_feed;
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end loop;
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put (to_string (buffer)); -- still reachable
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render;
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get_immediate (signal);
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action_list (character'pos (signal)).all;
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end loop;
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--~for this in magic_list
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--~loop
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--~put_line (format_symbol (magic_constant_data (this).symbol, magic_constant_data (this).colour, magic_constant_data (this).effect)
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--~& " "
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--~& to_string (magic_constant_data (this).name));
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--~end loop;
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--~for this in item_list
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--~loop
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--~put_line (format_symbol (item_constant_data (this).symbol, item_constant_data (this).colour, item_constant_data (this).effect)
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--~& " "
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--~& to_string (item_constant_data (this).name));
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--~end loop;
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--~for this in ammunition_list
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--~loop
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--~put_line (format_symbol (ammunition_constant_data (this).symbol, ammunition_constant_data (this).colour, ammunition_constant_data (this).effect)
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--~& " "
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--~& to_string (ammunition_constant_data (this).name));
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--~end loop;
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--~for this in weapon_list
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--~loop
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--~put_line (format_symbol (weapon_constant_data (this).symbol, weapon_constant_data (this).colour, weapon_constant_data (this).effect)
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--~& " "
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--~& to_string (weapon_constant_data (this).name));
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--~end loop;
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--~for this in armour_list
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--~loop
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--~put_line (format_symbol (armour_constant_data (this).symbol, armour_constant_data (this).colour, armour_constant_data (this).effect)
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--~& " "
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--~& to_string (armour_constant_data (this).name));
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--~end loop;
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--~for this in plant_list
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--~loop
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--~put_line (format_symbol (plant_constant_data (this).symbol, plant_constant_data (this).colour, plant_constant_data (this).effect)
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--~& " "
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--~& to_string (plant_constant_data (this).name));
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--~end loop;
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return 0;
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end xabina;
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