doom-ios/code/iphone/hud.c

235 lines
7.0 KiB
C

/*
Copyright (C) 2009-2011 id Software LLC, a ZeniMax Media company.
Copyright (C) 2009 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "../doomiphone.h"
#include <math.h>
hud_t huds;
void HudDraw();
void HudWrite();
void HudRead();
ibutton_t *dragHud;
int dragX, dragY;
void SetHudPic( ibutton_t *hp, const char *image ) {
pkTexture_t *gl;
gl = PK_FindTexture( image );
assert( gl );
hp->texture = gl;
hp->touch = NULL; // in case one was down when it was saved
}
void SetHudSpot( ibutton_t *hp, int x, int y, int dw, int dh ) {
hp->touch = NULL; // in case one was down when it was saved
float xRatio = ((float)displaywidth) / 480.0f;
float yRatio = ((float)displayheight) / 320.0f;
float themin = MIN( xRatio, yRatio );
x *= ((float)displaywidth) / 480.0f;
y *= ((float)displayheight) / 320.0f;
dw *= themin;
dh *= themin;
hp->x = x - dw/2;
hp->y = y - dh/2;
hp->drawWidth = dw;
hp->drawHeight = dh;
hp->buttonFlags = 0;
hp->scale = 1.0f;
}
void HudSetTexnums() {
SetHudPic( &huds.forwardStick, "iphone/up_down.tga" );
SetHudPic( &huds.sideStick, "iphone/side_2_side.tga" );
SetHudPic( &huds.turnStick, "iphone/directional_2.tga" );
SetHudPic( &huds.turnRotor, "iphone/rotate.tga" );
SetHudPic( &huds.fire, "iphone/fire.tga" );
SetHudPic( &huds.menu, "iphone/menu_button.tga" );
SetHudPic( &huds.map, "iphone/map_button.tga" );
SetHudSpot( &huds.weaponSelect, 240, 280, 40, 90 );
}
void HudSetForScheme( int schemeNum ) {
for ( ibutton_t *hud = (ibutton_t *)&huds ; hud != (ibutton_t *)(&huds+1) ; hud++ ) {
hud->buttonFlags = BF_IGNORE;
}
int STICK_SIZE = 128;
int HALF_STICK = 128/2;
if( displaywidth >= 1024 ) {
STICK_SIZE = 64;
HALF_STICK = 64/2;
}
static const int BOTTOM = 320 - 44; // above the status bar
SetHudSpot( &huds.weaponSelect, 240, 280, 40, 90 ); // the touch area is doubled
// make the forward / back sticks touch taller than they draw
switch ( schemeNum ) {
default:
case 0: // turn stick
SetHudSpot( &huds.forwardStick, HALF_STICK, BOTTOM-HALF_STICK, STICK_SIZE, STICK_SIZE );
SetHudSpot( &huds.turnStick, HALF_STICK, BOTTOM-HALF_STICK, STICK_SIZE, STICK_SIZE );
SetHudSpot( &huds.fire, 480-40, BOTTOM-HALF_STICK, 80, 80 );
SetHudSpot( &huds.menu, 480-24, 24, 48, 48 );
SetHudSpot( &huds.map, 24, 24, 48, 48 );
break;
case 1: // dual stick
SetHudSpot( &huds.forwardStick, HALF_STICK, BOTTOM-HALF_STICK, STICK_SIZE, STICK_SIZE );
SetHudSpot( &huds.sideStick, HALF_STICK, BOTTOM-HALF_STICK, STICK_SIZE, STICK_SIZE );
SetHudSpot( &huds.turnStick, 480-HALF_STICK, BOTTOM-HALF_STICK, STICK_SIZE, STICK_SIZE );
SetHudSpot( &huds.fire, 480-40, 40, 80, 80 );
SetHudSpot( &huds.menu, 48+24, 24, 48, 48 );
SetHudSpot( &huds.map, 24, 24, 48, 48 );
break;
case 2: // rotor
SetHudSpot( &huds.forwardStick, HALF_STICK, BOTTOM-HALF_STICK, STICK_SIZE, STICK_SIZE );
SetHudSpot( &huds.sideStick, HALF_STICK, BOTTOM-HALF_STICK, STICK_SIZE, STICK_SIZE );
SetHudSpot( &huds.turnRotor, 480-HALF_STICK, BOTTOM-HALF_STICK, STICK_SIZE, STICK_SIZE );
SetHudSpot( &huds.fire, 480-40, 40, 80, 80 );
SetHudSpot( &huds.menu, 48+24, 24, 48, 48 );
SetHudSpot( &huds.map, 24, 24, 48, 48 );
break;
}
// don't process these in the update hud touch loop, because they will be
// handled with normal button calls
huds.menu.buttonFlags |= BF_HUDBUTTON;
huds.map.buttonFlags |= BF_HUDBUTTON;
// don't make the big button click sound for the fire button
huds.fire.buttonFlags |= BF_SMALL_CLICK;
}
void SnapSticks( ibutton_t *test, const ibutton_t *to ) {
if ( abs( test->x - to->x ) < test->drawWidth && abs( test->y - to->y ) < test->drawHeight ) {
test->x = to->x;
test->y = to->y;
}
}
/*
==================
HudEditFrame
==================
*/
void HudEditFrame() {
color3_t gray = { 32, 32, 32 };
if ( numTouches == 0 && numPrevTouches == 1 && dragHud ) {
Sound_StartLocalSound( "iphone/baction_01.wav" );
dragHud = NULL;
}
if ( numTouches == 1 && numPrevTouches == 0 ) {
// identify the hud being touched for drag
int x = touches[0][0];
int y = touches[0][1];
dragHud = NULL;
for ( ibutton_t *hud = (ibutton_t *)&huds ; hud != (ibutton_t *)(&huds+1) ; hud++ ) {
if ( hud->buttonFlags & BF_IGNORE ) {
continue;
}
if ( x >= hud->x && x - hud->x < hud->drawWidth && y >= hud->y && y - hud->y < hud->drawHeight ) {
dragHud = hud;
dragX = dragHud->x - x;
dragY = dragHud->y - y;
Sound_StartLocalSound( "iphone/bdown_01.wav" );
break;
}
}
}
if ( numTouches == 1 && numPrevTouches == 1 && dragHud ) {
// adjust the position of the dragHud
dragHud->x = touches[0][0] + dragX;
dragHud->y = touches[0][1] + dragY;
if ( dragHud->x < 0 ) {
dragHud->x = 0;
}
if ( dragHud->x > displaywidth - dragHud->drawWidth ) {
dragHud->x = displaywidth - dragHud->drawWidth;
}
if ( dragHud->y < 0 ) {
dragHud->y = 0;
}
if ( dragHud->y > displayheight - dragHud->drawHeight ) {
dragHud->y = displayheight - dragHud->drawHeight;
}
// magnet pull a matchable axis
if ( controlScheme->value == 0 ) {
if ( dragHud == &huds.forwardStick ) {
SnapSticks( &huds.turnStick, dragHud );
}
} else {
if ( dragHud == &huds.forwardStick ) {
SnapSticks( &huds.sideStick, dragHud );
}
}
}
// solid background color and some UI elements for context
R_Draw_Fill( 0, 0, 480, 320, gray );
glColor4f( 1, 1, 1, 1 );
iphoneCenterText( 240, 20, 0.75, "Drag the controls" );
// draw the status bar
extern patchnum_t stbarbg;
if ( statusBar->value ) {
// force doom to rebind, since we have changed the active GL_TEXTURE_2D
last_gltexture = NULL;
gld_DrawNumPatch(0, ST_Y, stbarbg.lumpnum, CR_DEFAULT, VPT_STRETCH);
}
// draw the active items at their current locations
for ( ibutton_t *hud = (ibutton_t *)&huds ; hud != (ibutton_t *)(&huds+1) ; hud++ ) {
if ( !hud->texture ) {
continue;
}
if ( hud->buttonFlags & BF_IGNORE ) {
continue;
}
PK_StretchTexture( hud->texture, hud->x, hud->y, hud->drawWidth, hud->drawHeight );
}
// draw the done button
static ibutton_t btnDone;
if ( !btnDone.texture ) {
// initial setup
SetButtonPicsAndSizes( &btnDone, "iphone/back_button.tga", "Done", 240 - 32, 160-32, 64, 64 );
}
if ( HandleButton( &btnDone ) ) {
menuState = IPM_MAIN;
}
}