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devilutionX/Source/gmenu.cpp

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/**
* @file gmenu.cpp
*
* Implementation of the in-game navigation and interaction.
*/
#include "all.h"
BYTE *optbar_cel;
BOOLEAN mouseNavigation;
BYTE *PentSpin_cel;
TMenuItem *sgpCurrItem;
BYTE *BigTGold_cel;
#ifdef HELLFIRE
int LogoAnim_tick;
BYTE LogoAnim_frame;
#endif
int PentSpin_tick;
BYTE PentSpin_frame;
void (*dword_63447C)(TMenuItem *);
TMenuItem *sgpCurrentMenu;
BYTE *option_cel;
BYTE *sgpLogo;
int sgCurrentMenuIdx;
/** Maps from font index to bigtgold.cel frame number. */
const BYTE lfontframe[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 37, 49, 38, 0, 39, 40, 47,
42, 43, 41, 45, 52, 44, 53, 55, 36, 27,
28, 29, 30, 31, 32, 33, 34, 35, 51, 50,
0, 46, 0, 54, 0, 1, 2, 3, 4, 5,
6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
26, 42, 0, 43, 0, 0, 0, 1, 2, 3,
4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 20, 0, 21, 0, 0
};
/** Maps from bigtgold.cel frame number to character width. */
const BYTE lfontkern[] = {
18, 33, 21, 26, 28, 19, 19, 26, 25, 11,
12, 25, 19, 34, 28, 32, 20, 32, 28, 20,
28, 36, 35, 46, 33, 33, 24, 11, 23, 22,
22, 21, 22, 21, 21, 21, 32, 10, 20, 36,
31, 17, 13, 12, 13, 18, 16, 11, 20, 21,
11, 10, 12, 11, 21, 23
};
static void gmenu_print_text(int x, int y, const char *pszStr)
{
BYTE c;
while (*pszStr) {
c = gbFontTransTbl[(BYTE)*pszStr++];
c = lfontframe[c];
if (c != 0)
CelDrawLight(x, y, BigTGold_cel, c, 46);
x += lfontkern[c] + 2;
}
}
void gmenu_draw_pause()
{
if (currlevel != 0)
RedBack();
if (!sgpCurrentMenu) {
light_table_index = 0;
gmenu_print_text(316 + PANEL_LEFT, 336, "Pause");
}
}
void FreeGMenu()
{
MemFreeDbg(sgpLogo);
MemFreeDbg(BigTGold_cel);
MemFreeDbg(PentSpin_cel);
MemFreeDbg(option_cel);
MemFreeDbg(optbar_cel);
}
void gmenu_init_menu()
{
PentSpin_frame = 1;
#ifdef HELLFIRE
LogoAnim_frame = 1;
#endif
sgpCurrentMenu = NULL;
sgpCurrItem = NULL;
dword_63447C = NULL;
sgCurrentMenuIdx = 0;
mouseNavigation = FALSE;
#ifdef HELLFIRE
sgpLogo = LoadFileInMem("Data\\hf_logo3.CEL", NULL);
#else
sgpLogo = LoadFileInMem("Data\\Diabsmal.CEL", NULL);
#endif
BigTGold_cel = LoadFileInMem("Data\\BigTGold.CEL", NULL);
PentSpin_cel = LoadFileInMem("Data\\PentSpin.CEL", NULL);
option_cel = LoadFileInMem("Data\\option.CEL", NULL);
optbar_cel = LoadFileInMem("Data\\optbar.CEL", NULL);
}
BOOL gmenu_is_active()
{
return sgpCurrentMenu != NULL;
}
static void gmenu_up_down(BOOL isDown)
{
int i;
if (!sgpCurrItem) {
return;
}
mouseNavigation = FALSE;
i = sgCurrentMenuIdx;
if (sgCurrentMenuIdx) {
while (i) {
i--;
if (isDown) {
sgpCurrItem++;
if (!sgpCurrItem->fnMenu)
sgpCurrItem = &sgpCurrentMenu[0];
} else {
if (sgpCurrItem == sgpCurrentMenu)
sgpCurrItem = &sgpCurrentMenu[sgCurrentMenuIdx];
sgpCurrItem--;
}
if ((sgpCurrItem->dwFlags & GMENU_ENABLED) != 0) {
if (i)
PlaySFX(IS_TITLEMOV);
return;
}
}
}
}
void gmenu_set_items(TMenuItem *pItem, void (*gmFunc)(TMenuItem *))
{
int i;
PauseMode = 0;
mouseNavigation = FALSE;
sgpCurrentMenu = pItem;
dword_63447C = gmFunc;
if (gmFunc) {
dword_63447C(sgpCurrentMenu);
pItem = sgpCurrentMenu;
}
sgCurrentMenuIdx = 0;
if (sgpCurrentMenu) {
for (i = 0; sgpCurrentMenu[i].fnMenu; i++) {
sgCurrentMenuIdx++;
}
}
// BUGFIX: OOB access when sgCurrentMenuIdx is 0; should be set to NULL instead.
sgpCurrItem = &sgpCurrentMenu[sgCurrentMenuIdx - 1];
gmenu_up_down(TRUE);
}
static void gmenu_clear_buffer(int x, int y, int width, int height)
{
BYTE *i;
i = gpBuffer + PitchTbl[y] + x;
while (height--) {
memset(i, 205, width);
i -= BUFFER_WIDTH;
}
}
static int gmenu_get_lfont(TMenuItem *pItem)
{
const char *text;
int i;
BYTE c;
if (pItem->dwFlags & GMENU_SLIDER)
return 490;
text = pItem->pszStr;
i = 0;
while (*text) {
c = gbFontTransTbl[(BYTE)*text++];
i += lfontkern[lfontframe[c]] + 2;
}
return i - 2;
}
static void gmenu_draw_menu_item(TMenuItem *pItem, int y)
{
DWORD w, x, nSteps, step, pos, t;
#ifndef HELLFIRE
t = y - 2;
#endif
w = gmenu_get_lfont(pItem);
if (pItem->dwFlags & GMENU_SLIDER) {
x = 16 + w / 2 + SCREEN_X;
#ifdef HELLFIRE
CelDraw(x + PANEL_LEFT, y - 10, optbar_cel, 1, 287);
#else
CelDraw(x + PANEL_LEFT, t - 8, optbar_cel, 1, 287);
#endif
step = pItem->dwFlags & 0xFFF;
nSteps = (pItem->dwFlags & 0xFFF000) >> 12;
if (nSteps < 2)
nSteps = 2;
pos = step * 256 / nSteps;
#ifdef HELLFIRE
gmenu_clear_buffer(x + 2 + PANEL_LEFT, y - 12, pos + 13, 28);
#else
gmenu_clear_buffer(x + 2 + PANEL_LEFT, t - 10, pos + 13, 28);
#endif
CelDraw(x + 2 + pos + PANEL_LEFT, y - 12, option_cel, 1, 27);
}
x = SCREEN_WIDTH / 2 - w / 2 + SCREEN_X;
light_table_index = (pItem->dwFlags & GMENU_ENABLED) ? 0 : 15;
gmenu_print_text(x, y, pItem->pszStr);
if (pItem == sgpCurrItem) {
CelDraw(x - 54, y + 1, PentSpin_cel, PentSpin_frame, 48);
CelDraw(x + 4 + w, y + 1, PentSpin_cel, PentSpin_frame, 48);
}
}
void gmenu_draw()
{
int y;
TMenuItem *i;
DWORD ticks;
if (sgpCurrentMenu) {
if (dword_63447C)
dword_63447C(sgpCurrentMenu);
#ifdef HELLFIRE
ticks = GetTickCount();
if ((int)(ticks - LogoAnim_tick) > 25) {
LogoAnim_frame++;
if (LogoAnim_frame > 16)
LogoAnim_frame = 1;
LogoAnim_tick = ticks;
}
CelDraw((SCREEN_WIDTH - 430) / 2 + SCREEN_X, 102 + SCREEN_Y, sgpLogo, LogoAnim_frame, 430);
#else
CelDraw((SCREEN_WIDTH - 296) / 2 + SCREEN_X, 102 + SCREEN_Y, sgpLogo, 1, 296);
#endif
y = 160 + SCREEN_Y;
i = sgpCurrentMenu;
if (sgpCurrentMenu->fnMenu) {
while (i->fnMenu) {
gmenu_draw_menu_item(i, y);
i++;
y += 45;
}
}
#ifndef HELLFIRE
ticks = GetTickCount();
#endif
if ((int)(ticks - PentSpin_tick) > 25) { // BUGFIX: thould be 50ms
PentSpin_frame++;
if (PentSpin_frame == 9)
PentSpin_frame = 1;
PentSpin_tick = ticks;
}
}
}
static void gmenu_left_right(BOOL isRight)
{
int step;
if (sgpCurrItem->dwFlags & GMENU_SLIDER) {
step = sgpCurrItem->dwFlags & 0xFFF;
if (isRight) {
if (step == (int)(sgpCurrItem->dwFlags & 0xFFF000) >> 12)
return;
step++;
} else {
if (!step)
return;
step--;
}
sgpCurrItem->dwFlags &= 0xFFFFF000;
sgpCurrItem->dwFlags |= step;
sgpCurrItem->fnMenu(FALSE);
}
}
BOOL gmenu_presskeys(int vkey)
{
if (!sgpCurrentMenu)
return FALSE;
switch (vkey) {
case VK_RETURN:
if ((sgpCurrItem->dwFlags & GMENU_ENABLED) != 0) {
PlaySFX(IS_TITLEMOV);
sgpCurrItem->fnMenu(TRUE);
}
break;
case VK_ESCAPE:
PlaySFX(IS_TITLEMOV);
gmenu_set_items(NULL, NULL);
break;
case VK_SPACE:
return FALSE;
case VK_LEFT:
gmenu_left_right(FALSE);
break;
case VK_RIGHT:
gmenu_left_right(TRUE);
break;
case VK_UP:
gmenu_up_down(FALSE);
break;
case VK_DOWN:
gmenu_up_down(TRUE);
break;
}
return TRUE;
}
static BOOLEAN gmenu_get_mouse_slider(int *plOffset)
{
*plOffset = 282;
if (MouseX < 282 + PANEL_LEFT) {
*plOffset = 0;
return FALSE;
}
if (MouseX > 538 + PANEL_LEFT) {
*plOffset = 256;
return FALSE;
}
*plOffset = MouseX - 282 - PANEL_LEFT;
return TRUE;
}
BOOL gmenu_on_mouse_move()
{
int step, nSteps;
if (!mouseNavigation)
return FALSE;
gmenu_get_mouse_slider(&step);
nSteps = (int)(sgpCurrItem->dwFlags & 0xFFF000) >> 12;
step *= nSteps;
step /= 256;
sgpCurrItem->dwFlags &= 0xFFFFF000;
sgpCurrItem->dwFlags |= step;
sgpCurrItem->fnMenu(FALSE);
return TRUE;
}
BOOL gmenu_left_mouse(BOOL isDown)
{
TMenuItem *pItem;
DWORD i, w;
int dummy;
if (!isDown) {
if (mouseNavigation) {
mouseNavigation = FALSE;
return TRUE;
} else {
return FALSE;
}
}
if (!sgpCurrentMenu) {
return FALSE;
}
if (MouseY >= PANEL_TOP) {
return FALSE;
}
if (MouseY - 117 < 0) {
return TRUE;
}
i = (MouseY - 117) / 45;
if (i >= sgCurrentMenuIdx) {
return TRUE;
}
pItem = &sgpCurrentMenu[i];
if (!(sgpCurrentMenu[i].dwFlags & GMENU_ENABLED)) {
return TRUE;
}
w = gmenu_get_lfont(pItem);
if (MouseX < SCREEN_WIDTH / 2 - w / 2) {
return TRUE;
}
if (MouseX > SCREEN_WIDTH / 2 + w / 2) {
return TRUE;
}
sgpCurrItem = pItem;
PlaySFX(IS_TITLEMOV);
if (pItem->dwFlags & GMENU_SLIDER) {
mouseNavigation = gmenu_get_mouse_slider(&dummy);
gmenu_on_mouse_move();
} else {
sgpCurrItem->fnMenu(TRUE);
}
return TRUE;
}
void gmenu_enable(TMenuItem *pMenuItem, BOOL enable)
{
if (enable)
pMenuItem->dwFlags |= GMENU_ENABLED;
else
pMenuItem->dwFlags &= ~GMENU_ENABLED;
}
/**
* @brief Set the TMenuItem slider position based on the given value
*/
void gmenu_slider_set(TMenuItem *pItem, int min, int max, int value)
{
int nSteps;
assert(pItem);
nSteps = (int)(pItem->dwFlags & 0xFFF000) >> 12;
if (nSteps < 2)
nSteps = 2;
pItem->dwFlags &= 0xFFFFF000;
pItem->dwFlags |= ((max - min - 1) / 2 + (value - min) * nSteps) / (max - min);
}
/**
* @brief Get the current value for the slider
*/
int gmenu_slider_get(TMenuItem *pItem, int min, int max)
{
int nSteps, step;
step = pItem->dwFlags & 0xFFF;
nSteps = (int)(pItem->dwFlags & 0xFFF000) >> 12;
if (nSteps < 2)
nSteps = 2;
return min + (step * (max - min) + (nSteps - 1) / 2) / nSteps;
}
/**
* @brief Set the number of steps for the slider
*/
void gmenu_slider_steps(TMenuItem *pItem, int steps)
{
pItem->dwFlags &= 0xFF000FFF;
pItem->dwFlags |= (steps << 12) & 0xFFF000;
}