1 files changed, 245 insertions, 0 deletions
diff --git a/src/screen/choiceArena.c b/src/screen/choiceArena.c
new file mode 100644
index 0000000..bf60c46
--- /dev/null
+++ b/src/screen/choiceArena.c
@@ -0,0 +1,245 @@
+
+#include <stdio.h>
+#include <assert.h>
+
+#include "main.h"
+#include "list.h"
+#include "arenaFile.h"
+
+#include "interface.h"
+#include "screen.h"
+#include "image.h"
+#include "hotKey.h"
+
+#ifndef NO_SOUND
+#    include "music.h"
+#endif
+
+#include "mainMenu.h"
+#include "choiceArena.h"
+
+#include "widget.h"
+#include "widget_label.h"
+#include "widget_button.h"
+#include "widget_image.h"
+#include "widget_buttonimage.h"
+
+static widget_t *image_backgorund;
+
+static widget_t *button_play;
+static widget_t *button_back;
+static widget_t *button_next;
+static widget_t *button_prev;
+
+//static list_t *listWidgetButtonimage; // map buttons to be showed and handled - well, show_map_buttons is used instead
+static list_t *listAllWidgetButtonimage; // all map buttons
+static int handled_map_button_group; // 0 - first 6 buttons, 1 - second 6 buttons, ....
+static void activateHandledMapButtonGroup();
+static struct show_map_buttons { 
+	// geez, it'd be nicer to used two lists
+	// but how the hell is list_t supposed to be used?! :-)
+	int min; // see activateHandledMapButtonGroup for desc
+	int max; //
+	int next; // 0: max is last item+1 in listAllWidgetButtonimage, otherwise 1
+	int prev; // 0: min is first item in listAllWidgetButtonimage, otherwise 1
+} show_map_buttons = { 0,0,0,0 } ;
+static arenaFile_t *currentArena;
+
+static void hotkey_escape()
+{
+	setScreen("gameType");
+}
+
+void startScreenChoiceArena()
+{
+#ifndef NO_SOUND
+	playMusic("menu", MUSIC_GROUP_BASE);
+#endif
+
+	registerHotKey(SDLK_ESCAPE, hotkey_escape);
+}
+
+void drawScreenChoiceArena()
+{
+	int i;
+
+	drawWidgetImage(image_backgorund);
+
+	drawWidgetButton(button_play);
+	drawWidgetButton(button_back);
+	if (show_map_buttons.next) { drawWidgetButton(button_next); }
+	if (show_map_buttons.prev) { drawWidgetButton(button_prev); }
+
+	for (i = show_map_buttons.min ; i < show_map_buttons.max; i++) {
+		drawWidgetButtonimage((widget_t*)listAllWidgetButtonimage->list[i]);
+	}
+}
+
+void eventScreenChoiceArena()
+{
+	int i;
+
+	eventWidgetButton(button_play);
+	eventWidgetButton(button_back);
+	if (show_map_buttons.next) { eventWidgetButton(button_next); }
+	if (show_map_buttons.prev) { eventWidgetButton(button_prev); }
+
+	for (i = show_map_buttons.min ; i < show_map_buttons.max; i++) {
+		eventWidgetButtonimage((widget_t*)listAllWidgetButtonimage->list[i]);
+	}
+}
+
+void stopScreenChoiceArena()
+{
+	unregisterHotKey(SDLK_ESCAPE);
+}
+
+static void eventWidgetButtonImage(void *p)
+{
+	widget_t *buttonimage;
+	int i;
+
+	buttonimage = (widget_t *) (p);
+
+	for (i = show_map_buttons.min; i < show_map_buttons.max; i++) { 
+		widget_t *this;
+
+		this = (widget_t *) (listAllWidgetButtonimage->list[i]);
+
+		if (buttonimage == this) {
+			setWidgetButtonimageActive(this, TRUE);
+			currentArena = getArenaFile(i);
+		} else {
+			setWidgetButtonimageActive(this, FALSE);
+		}
+	}
+}
+
+arenaFile_t *getChoiceArena()
+{
+	return currentArena;
+}
+
+void setChoiceArena(arenaFile_t * arenaFile)
+{
+	widget_t *widget_buttonimage;
+	int id;
+
+	id = getArenaFileID(arenaFile);
+	currentArena = arenaFile;
+
+	if (id >= 0) {
+		widget_buttonimage = (widget_t *) listAllWidgetButtonimage->list[id];
+		setWidgetButtonimageActive(widget_buttonimage, TRUE);
+	}
+}
+
+static void eventWidget(void *p)
+{
+	widget_t *button;
+
+	button = (widget_t *) (p);
+
+	if (button == button_play) {
+		setScreen("world");
+	}
+
+	if (button == button_back) {
+		setScreen("gameType");
+	}
+	if (button == button_next) {
+		if (show_map_buttons.next) {
+			handled_map_button_group++;
+			activateHandledMapButtonGroup();
+		}
+	}
+	if (button == button_prev) {
+		if (show_map_buttons.prev) {
+			handled_map_button_group--;
+			activateHandledMapButtonGroup();
+		}
+	}
+}
+
+// groups of 6 map buttons to be shown and handled
+// the group is set by static global variable handled_map_button_group
+// sets static global show_map_buttons.min to index of first button to be drawn in listAllButtonimage
+// and show_map_buttons.max to index of last button to be drawn+1 in listAllButtonimage
+static void activateHandledMapButtonGroup(void) {
+	int min = handled_map_button_group * 6;
+	min = min < 0 ? 0 : min;
+	min = min <= getArenaCount() ? min : getArenaCount();
+	int max = min+6 <= getArenaCount() ? min+6 : getArenaCount();
+
+	if (min) { show_map_buttons.prev = 1; }
+	else { show_map_buttons.prev = 0; }
+	if (max < getArenaCount()) { show_map_buttons.next = 1; }
+	else { show_map_buttons.next = 0; }
+	show_map_buttons.min = min;
+	show_map_buttons.max = max;
+}
+
+void initScreenChoiceArena()
+{
+	image_t *image;
+	int i;
+
+	image = getImage(IMAGE_GROUP_BASE, "screen_main");
+	image_backgorund = newWidgetImage(0, 0, image);
+
+	button_back = newWidgetButton(_("back"), 100, WINDOW_SIZE_Y - 100, eventWidget);
+	button_play = newWidgetButton(_("play"), WINDOW_SIZE_X - 200, WINDOW_SIZE_Y - 100, eventWidget);
+
+	button_prev = newWidgetButton(_("prev maps"), 250, WINDOW_SIZE_Y - 100, eventWidget);
+	button_next = newWidgetButton(_("next maps"), WINDOW_SIZE_X-350, WINDOW_SIZE_Y - 100, eventWidget);
+
+	listAllWidgetButtonimage = newList();
+	currentArena = NULL;
+
+	for (i = 0; i < getArenaCount(); i++) {
+		widget_t *widget_buttonimage;
+		arenaFile_t *arenaFile;
+		int x, y;
+
+		arenaFile = getArenaFile(i);
+		//image = addImageData(getArenaImage(i), IMAGE_NO_ALPHA, "none", IMAGE_GROUP_BASE);
+		image = loadImageFromArena(arenaFile,  getArenaImage(arenaFile),
+					   IMAGE_GROUP_BASE, "none", IMAGE_NO_ALPHA);
+
+		// only 6 map buttons can be shown at once;
+		// set buttons' positions in each group to the corresponding values
+		// handled_map_button_group and activateHandledMapButtonGroup is used 
+		// to choose group to be shown and handled
+		int pos = i % 6 ;
+		x = 100 + 200 * (pos - 3 * (pos / 3));
+		y = 150 + 200 * (pos / 3);
+
+		widget_buttonimage = newWidgetButtonimage(image, x, y, eventWidgetButtonImage);
+/*
+		if( i == choiceArenaId )
+		{
+			widget_buttonimage->active = 1;
+		}
+*/
+		addList(listAllWidgetButtonimage, widget_buttonimage);
+		handled_map_button_group = 0;
+		activateHandledMapButtonGroup();
+	}
+
+	registerScreen( newScreen("chiceArena", startScreenChoiceArena,
+			eventScreenChoiceArena, drawScreenChoiceArena,
+			stopScreenChoiceArena));
+}
+
+void quitScreenChoiceArena()
+{
+	destroyWidgetImage(image_backgorund);
+
+	destroyWidgetButton(button_play);
+	destroyWidgetButton(button_back);
+
+	destroyWidgetButton(button_next);
+	destroyWidgetButton(button_prev);
+
+	destroyListItem(listAllWidgetButtonimage, destroyWidgetButtonimage);
+}