xhartae/chapter/chapter_5.c

/*
Copyright (c) 2023 : Ognjen 'xolatile' Milan Robovic

Xhartae is free software! You will redistribute it or modify it under the terms of the GNU General Public License by Free Software Foundation.
And when you do redistribute it or modify it, it will use either version 3 of the License, or (at yours truly opinion) any later version.
It is distributed in the hope that it will be useful or harmful, it really depends... But no warranty what so ever, seriously. See GNU/GPLv3.
*/

#ifndef CHAPTER_5_SOURCE
#define CHAPTER_5_SOURCE

#include "chapter_5.h"

/*
So, what are actually getters and setters, and why you should never use them? Lets explain.

@C
static number_t game_get_screen_width  (game_t * game)                  { return (game->screen_width);           }
static number_t game_get_screen_height (game_t * game)                  { return (game->screen_height);          }
static number_t game_set_screen_width  (game_t * game, number_t width)  { return (game->screen_width  = width);  }
static number_t game_set_screen_height (game_t * game, number_t height) { return (game->screen_height = height); }
@
*/

game_t   game;
player_t player;
memory_t memory_pool;

static memory_t memorize (memory_t data, number_t size) {
	static memory_t memory_data       = NULL;
	static number_t memory_used       = 0;
	static number_t memory_block_size = 4096;
	static number_t memory_block_used = 0;

	/* Show an example of incremental reallocation with for loop from libhl early prototype. */

	fatal_failure (size >= memory_block_size, "memorize: You're trying to re/allocate huge chunk of memory.");

	if (memory_used + size >= memory_block_used * memory_block_size) {
		memory_pool = reallocate (memory_pool, ++memory_block_used * memory_block_size);

		for (number_t offset = 0; offset != memory_block_size; ++offset) {
			string_t cast = (string_t) memory_pool + (memory_block_used - 1) * memory_block_size + offset;
			* cast = '\0';
		}
	}

	if (data == NULL) {
		memory_data = (string_t) memory_pool + memory_used;

		memory_used += size;
	} else {
		memory_data = data;

		memory_used += size;

		for (number_t offset = 0; offset != size; ++offset) {
			string_t cast_0 = (string_t) memory_pool + memory_used        - 1 - offset;
			string_t cast_1 = (string_t) memory_pool + memory_used - size - 1 - offset;
			* cast_0 = * cast_1;
		}
	}

	return (memory_data);
}

static void move_player (void) { ++player.x; }

static void game_configure (void) {
	curses_configure ();

	curses_bind (SIGNAL_W, move_player);
	curses_bind (SIGNAL_S, move_player);
	curses_bind (SIGNAL_A, move_player);
	curses_bind (SIGNAL_D, move_player);

	game.active        = curses_active;
	game.screen_width  = curses_screen_width;
	game.screen_height = curses_screen_height;

	player.x = 0;
	player.y = 0;
}

static void game_synchronize (void) {
	return;
}

skill_t * game_skill (string_t name, bundle_t * points, ...) {
	skill_t  * skill;
	va_list    list;
	number_t   action;

	va_start (list, points);

	//~skill = allocate ((int) sizeof (* skill));
	skill = memorize (NULL, (int) sizeof (* skill));

	//~string_copy ((skill->name   = allocate (string_length (name) + 1)),       name);
	//~memory_copy ((skill->points = allocate ((int) sizeof (* skill->points))), points, (int) sizeof (* points));

	string_copy ((skill->name   = memorize (NULL, string_length (name) + 1)),       name);
	memory_copy ((skill->points = memorize (NULL, (int) sizeof (* skill->points))), points, (int) sizeof (* points));

	for (;;) {
		action = (number_t) va_arg (list, int);

		if (action > 0) {
			skill->positive_count += 1;
			//~skill->positive = reallocate (skill->positive, skill->positive_count * (int) sizeof (action));
			skill->positive = memorize (skill->positive, skill->positive_count * (int) sizeof (action));
			skill->positive [skill->positive_count - 1] = (action_t) action;
		} else break;
	}

	va_end (list);

	return (skill);
}

attribute_t * game_attribute (string_t name, bundle_t * points, ...) {
	attribute_t * attribute;
	va_list       list;
	number_t      action;

	va_start (list, points);

	//~attribute = allocate ((int) sizeof (* attribute));
	attribute = memorize (NULL, (int) sizeof (* attribute));

	//~string_copy ((attribute->name   = allocate (string_length (name) + 1)),           name);
	//~memory_copy ((attribute->points = allocate ((int) sizeof (* attribute->points))), points, (int) sizeof (* points));

	string_copy ((attribute->name   = memorize (NULL, string_length (name) + 1)),           name);
	memory_copy ((attribute->points = memorize (NULL, (int) sizeof (* attribute->points))), points, (int) sizeof (* points));

	for (;;) {
		action = (number_t) va_arg (list, int);

		if (action > 0) {
			attribute->positive_count += 1;
			//~attribute->positive = reallocate (attribute->positive, attribute->positive_count * (int) sizeof (action));
			attribute->positive = memorize (attribute->positive, attribute->positive_count * (int) sizeof (action));
			attribute->positive [attribute->positive_count - 1] = (action_t) action;
		} else if (action < 0) {
			attribute->negative_count += 1;
			//~attribute->negative = reallocate (attribute->negative, attribute->negative_count * (int) sizeof (action));
			attribute->negative = memorize (attribute->negative, attribute->negative_count * (int) sizeof (action));
			attribute->negative [attribute->negative_count - 1] = (action_t) -action;
		} else {
			break;
		}
	}

	va_end (list);

	return (attribute);
}

void game_render_skill (skill_t * skill, number_t x, number_t y) {
	curses_render_string (skill->name, COLOUR_CYAN, EFFECT_NORMAL, x, y);

	curses_render_string ("[ ",                                                     COLOUR_GREY,  EFFECT_BOLD,   x + 18, y);
	curses_render_string (format_to_string (skill->points->minimum, 0, 10, 4, ' '), COLOUR_RED,   EFFECT_NORMAL, x = 22, y);
	curses_render_string (format_to_string (skill->points->current, 0, 10, 4, ' '), COLOUR_WHITE, EFFECT_NORMAL, x = 26, y);
	curses_render_string (format_to_string (skill->points->maximum, 0, 10, 4, ' '), COLOUR_GREEN, EFFECT_NORMAL, x = 30, y);
	curses_render_string (" ]",                                                     COLOUR_GREY,  EFFECT_BOLD,   x = 34, y);
}

void game_render_attribute (attribute_t * attribute, number_t x, number_t y) {
	curses_render_string (attribute->name, COLOUR_CYAN, EFFECT_NORMAL, x, y);

	curses_render_string ("[ ",                                                         COLOUR_GREY,  EFFECT_BOLD,   x + 18, y);
	curses_render_string (format_to_string (attribute->points->minimum, 0, 10, 4, ' '), COLOUR_RED,   EFFECT_NORMAL, x = 22, y);
	curses_render_string (format_to_string (attribute->points->current, 0, 10, 4, ' '), COLOUR_WHITE, EFFECT_NORMAL, x = 26, y);
	curses_render_string (format_to_string (attribute->points->maximum, 0, 10, 4, ' '), COLOUR_GREEN, EFFECT_NORMAL, x = 30, y);
	curses_render_string (" ]",                                                         COLOUR_GREY,  EFFECT_BOLD,   x = 34, y);
}

void play_game (void) {
	bundle_t skill_points     = { 10, 120, 0, 0 };
	bundle_t attribute_points = {  1,  12, 0, 0 };

	skill_t     * blades, * axes, * bows, * spears, * puppet_magic, * nature_magic, * rune_magic, * charm_magic;
	attribute_t * strength, * edurance, * wisdom, * agility;

	strength = game_attribute ("Strength", & attribute_points, GAME_ACTION_SWING_BLADE, GAME_ACTION_SWING_AXE,   -GAME_ACTION_CAMP, 0);
	edurance = game_attribute ("Edurance", & attribute_points, GAME_ACTION_WALK,        GAME_ACTION_CAMP,        -GAME_ACTION_REST, 0);
	wisdom   = game_attribute ("Wisdom",   & attribute_points, GAME_ACTION_CITE_RUNE,   GAME_ACTION_CAST_CHARM,  -GAME_ACTION_WALK, 0);
	agility  = game_attribute ("Agility",  & attribute_points, GAME_ACTION_SHOOT_ARROW, GAME_ACTION_THROW_SPEAR, -GAME_ACTION_WAIT, 0);

	blades       = game_skill ("Blades",       & skill_points, GAME_ACTION_SWING_BLADE,   0);
	axes         = game_skill ("Axes",         & skill_points, GAME_ACTION_SWING_AXE,     0);
	bows         = game_skill ("Bows",         & skill_points, GAME_ACTION_SHOOT_ARROW,   0);
	spears       = game_skill ("Spears",       & skill_points, GAME_ACTION_THROW_SPEAR,   0);
	puppet_magic = game_skill ("Puppet Magic", & skill_points, GAME_ACTION_SUMMON_PUPPET, 0);
	nature_magic = game_skill ("Nature Magic", & skill_points, GAME_ACTION_CALL_NATURE,   0);
	rune_magic   = game_skill ("Rune Magic",   & skill_points, GAME_ACTION_CITE_RUNE,     0);
	charm_magic  = game_skill ("Charm Magic",  & skill_points, GAME_ACTION_CAST_CHARM,    0);

	game_configure ();

	while (curses_active) {
		curses_render_background (' ', COLOUR_WHITE, EFFECT_NORMAL);

		curses_render_string ("Attributes:", COLOUR_WHITE, EFFECT_BOLD, 0, 0);

		game_render_attribute (strength, 2, 1);
		game_render_attribute (edurance, 2, 2);
		game_render_attribute (wisdom,   2, 3);
		game_render_attribute (agility,  2, 4);

		curses_render_string ("Skills:", COLOUR_WHITE, EFFECT_BOLD, 0, 5);

		game_render_skill (blades,       2,  6);
		game_render_skill (axes,         2,  7);
		game_render_skill (bows,         2,  8);
		game_render_skill (spears,       2,  9);
		game_render_skill (puppet_magic, 2, 10);
		game_render_skill (nature_magic, 2, 11);
		game_render_skill (rune_magic,   2, 12);
		game_render_skill (charm_magic,  2, 13);

		curses_render_character ('@', COLOUR_CYAN, EFFECT_BOLD, player.x, player.y);

		curses_synchronize ();

		game_synchronize ();
	}

	//~strength->name = deallocate (strength->name); strength->points = deallocate (strength->points);strength->positive = deallocate (strength->positive); strength->negative = deallocate (strength->negative); strength = deallocate (strength);
	//~edurance->name = deallocate (edurance->name); edurance->points = deallocate (edurance->points);edurance->positive = deallocate (edurance->positive); edurance->negative = deallocate (edurance->negative); edurance = deallocate (edurance);
	//~wisdom->name   = deallocate (wisdom->name);   wisdom->points   = deallocate (wisdom->points);  wisdom->positive   = deallocate (wisdom->positive);   wisdom->negative   = deallocate (wisdom->negative);   wisdom   = deallocate (wisdom);
	//~agility->name  = deallocate (agility->name);  agility->points  = deallocate (agility->points); agility->positive  = deallocate (agility->positive);  agility->negative  = deallocate (agility->negative);  agility  = deallocate (agility);

	//~blades->name = deallocate (blades->name); blades->points = deallocate (blades->points);blades->positive = deallocate (blades->positive);  blades = deallocate (blades);
	//~axes->name = deallocate (axes->name); axes->points = deallocate (axes->points);axes->positive = deallocate (axes->positive); axes = deallocate (axes);
	//~bows->name   = deallocate (bows->name);   bows->points   = deallocate (bows->points);  bows->positive   = deallocate (bows->positive);     bows   = deallocate (bows);
	//~spears->name  = deallocate (spears->name);  spears->points  = deallocate (spears->points); spears->positive  = deallocate (spears->positive);  spears  = deallocate (spears);
	//~puppet_magic->name = deallocate (puppet_magic->name); puppet_magic->points = deallocate (puppet_magic->points);puppet_magic->positive = deallocate (puppet_magic->positive); puppet_magic = deallocate (puppet_magic);
	//~nature_magic->name = deallocate (nature_magic->name); nature_magic->points = deallocate (nature_magic->points);nature_magic->positive = deallocate (nature_magic->positive); nature_magic = deallocate (nature_magic);
	//~rune_magic->name   = deallocate (rune_magic->name);   rune_magic->points   = deallocate (rune_magic->points);  rune_magic->positive   = deallocate (rune_magic->positive);   rune_magic   = deallocate (rune_magic);
	//~charm_magic->name  = deallocate (charm_magic->name);  charm_magic->points  = deallocate (charm_magic->points); charm_magic->positive  = deallocate (charm_magic->positive);  charm_magic  = deallocate (charm_magic);

	memory_pool = deallocate (memory_pool);
}

#endif