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When a card is moved between stacks, its coordinates are refreshed.

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This commit is contained in:
Murilo Soares Pereira 2010-04-10 00:32:25 -03:00
parent 65a8b5e0e3
commit 0c798f3d56
2 changed files with 24 additions and 1 deletions
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21
lib/stack.c
View File

@ -56,15 +56,19 @@ void push(struct stack **stack, struct card *card) {
}
}
/* FIXME: uglyness inside if statement */
/* FIXME: hack hack hack to get the old coordinates after clearing the structure */
struct stack *pop(struct stack **stack) {
struct stack *popped_entry = NULL;
if(!empty(*stack)) {
popped_entry = *stack;
if (length(*stack) == 1) {
int start_y, start_x;
start_y = (*stack)->card->frame->start_y;
start_x = (*stack)->card->frame->start_x;
allocate_stack(stack);
initialize_stack(*stack);
set_frame((*stack)->card->frame, start_y, start_x);
} else {
*stack = (*stack)->next;
}
@ -74,9 +78,24 @@ struct stack *pop(struct stack **stack) {
return(popped_entry);
}
bool maneuvre_stack(struct stack *stack) {
return(stack->card->frame->start_y == MANEUVRE_STACKS_START_Y);
}
void refresh_card_coordinates(struct stack *origin, struct stack *destination) {
origin->card->frame->start_x = destination->card->frame->start_x;
origin->card->frame->start_y = destination->card->frame->start_y;
if (!empty(destination) && maneuvre_stack(destination)) {
origin->card->frame->start_y++;
}
return;
}
void move_card(struct stack **origin, struct stack **destination) {
struct stack *stack = NULL;
refresh_card_coordinates(*origin, *destination);
stack = pop(origin);
push(destination, stack->card);

4
lib/stack.h
View File

@ -3,6 +3,8 @@
#include "card.h"
#define MANEUVRE_STACKS_START_Y 7
struct stack {
struct card *card;
struct stack *next;
@ -15,6 +17,8 @@ bool empty(struct stack *);
int length(struct stack *);
void push(struct stack **, struct card *);
struct stack *pop(struct stack **);
bool maneuvre_stack(struct stack *);
void refresh_card_coordinates(struct stack *, struct stack *);
void move_card(struct stack **, struct stack **);
#endif