270 lines
11 KiB
Plaintext
270 lines
11 KiB
Plaintext
//
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// KRObjViewViewController.m
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// KRObjView
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//
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// Copyright 2012 Kearwood Gilbert. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other materials
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// provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// The views and conclusions contained in the software and documentation are those of the
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// authors and should not be interpreted as representing official policies, either expressed
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// or implied, of Kearwood Gilbert.
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//
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#import "KRObjViewViewController.h"
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#import <KRMat4.h>
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#import <KRModelManager.h>
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#import <QuartzCore/QuartzCore.h>
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@implementation KRObjViewViewController
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@synthesize overlayLayer;
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@synthesize glView;
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// Handle Touch Events
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- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
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for(id touch in touches) {
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CGPoint touchPoint = [touch locationInView:self.view];
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if(!leftStickStartY && !rightStickStartY && touchPoint.y < CGRectGetMinY(self.view.frame) + CGRectGetHeight(self.view.frame) * 0.05) {
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dRightSlider = (touchPoint.x - CGRectGetMinX(self.view.frame)) / CGRectGetWidth(self.view.frame);
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cParamDisplayFrames = 30;
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bUpdateParam = true;
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} else if(!leftStickStartY && !rightStickStartY && touchPoint.y > CGRectGetMinY(self.view.frame) + CGRectGetHeight(self.view.frame) * 0.95) {
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dLeftSlider = (touchPoint.x - CGRectGetMinX(self.view.frame)) / CGRectGetWidth(self.view.frame);
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cParamDisplayFrames = 30;
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} else if(touchPoint.y > CGRectGetMidY(self.view.frame)) {
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leftStickStartX = touchPoint.x;
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leftStickStartY = touchPoint.y;
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leftStickDeltaX = 0.0f;
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leftStickDeltaY = 0.0f;
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// NSLog(@"Left Stick Pressed");
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} else {
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rightStickStartX = touchPoint.x;
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rightStickStartY = touchPoint.y;
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rightStickDeltaX = 0.0f;
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rightStickDeltaY = 0.0f;
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// NSLog(@"Right Stick Pressed");
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}
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}
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}
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- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {
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for(id touch in touches) {
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CGPoint touchPoint = [touch locationInView:self.view];
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if(!leftStickStartY && !rightStickStartY && touchPoint.y < CGRectGetMinY(self.view.frame) + CGRectGetHeight(self.view.frame) * 0.10) {
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dRightSlider = (touchPoint.x - CGRectGetMinX(self.view.frame)) / CGRectGetWidth(self.view.frame);
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cParamDisplayFrames = 30;
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bUpdateParam = true;
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} else if(!leftStickStartY && !rightStickStartY && touchPoint.y > CGRectGetMinY(self.view.frame) + CGRectGetHeight(self.view.frame) * 0.90) {
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dLeftSlider = (touchPoint.x - CGRectGetMinX(self.view.frame)) / CGRectGetWidth(self.view.frame);
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cParamDisplayFrames = 30;
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} else if(touchPoint.y > CGRectGetMidY(self.view.frame)) {
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if(leftStickStartX > 0.0f) { // Avoid interpreting touches sliding across center of screen
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leftStickDeltaX = (leftStickStartX - touchPoint.x) / (CGRectGetWidth(self.view.frame) * 0.25);
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leftStickDeltaY = (leftStickStartY - touchPoint.y) / (CGRectGetHeight(self.view.frame) * 0.25);
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// clamp values
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if(leftStickDeltaX < -1.0f) {
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leftStickDeltaX = -1.0f;
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} else if(leftStickDeltaX > 1.0f) {
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leftStickDeltaX = 1.0f;
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}
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if(leftStickDeltaY < -1.0f) {
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leftStickDeltaY = -1.0f;
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} else if(leftStickDeltaY > 1.0f) {
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leftStickDeltaY = 1.0f;
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}
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}
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} else {
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if(rightStickStartX > 0.0f) { // Avoid interpreting touches sliding across center of screen
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rightStickDeltaX = (rightStickStartX - touchPoint.x) / (CGRectGetWidth(self.view.frame) * 0.25);
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rightStickDeltaY = (rightStickStartY - touchPoint.y) / (CGRectGetHeight(self.view.frame) * 0.25);
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// clamp values
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if(rightStickDeltaX < -1.0f) {
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rightStickDeltaX = -1.0f;
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} else if(rightStickDeltaX > 1.0f) {
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rightStickDeltaX = 1.0f;
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}
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if(rightStickDeltaY < -1.0f) {
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rightStickDeltaY = -1.0f;
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} else if(rightStickDeltaY > 1.0f) {
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rightStickDeltaY = 1.0f;
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}
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}
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}
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}
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}
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- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
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for(id touch in touches) {
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CGPoint touchPoint = [touch locationInView:self.view];
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if(touchPoint.y > CGRectGetMidY(self.view.frame)) {
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leftStickStartX = 0.0f;
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leftStickStartY = 0.0f;
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leftStickDeltaX = 0.0f;
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leftStickDeltaY = 0.0f;
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} else {
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rightStickStartX = 0.0f;
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rightStickStartY = 0.0f;
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rightStickDeltaX = 0.0f;
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rightStickDeltaY = 0.0f;
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}
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}
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}
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-(void)loadView {
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CGRect mainScreenFrame = [[UIScreen mainScreen] applicationFrame];
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UIView *primaryView = [[UIView alloc] initWithFrame:mainScreenFrame];
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self.view = primaryView;
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[primaryView release];
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glView = [[KRObjViewGLView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, mainScreenFrame.size.width, mainScreenFrame.size.height)];
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glView.multipleTouchEnabled = YES;
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[self.view addSubview:glView];
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[glView release];
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camera_yaw = -4.0;
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camera_pitch = 0.1;
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leftStickStartX = 0.0f;
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leftStickStartY = 0.0f;
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rightStickStartX = 0.0f;
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rightStickStartY = 0.0f;
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leftStickDeltaX = 0.0f;
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leftStickDeltaY = 0.0f;
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rightStickDeltaX = 0.0f;
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rightStickDeltaY = 0.0f;
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bUpdateParam = false;
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dRightSlider = 0.0f;
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dLeftSlider = 0.0f;
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bLoadedTestInstances = false;
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cParamDisplayFrames = 0;
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camera_position = KRVector3(-850, -10, -700);
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displayLink = [CADisplayLink displayLinkWithTarget:self selector:@selector(drawView:)];
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[displayLink setFrameInterval:2]; // Maximum 30fps
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[displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
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_lastTime= [displayLink timestamp];
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}
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- (void)dealloc
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{
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[displayLink invalidate];
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[super dealloc];
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}
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- (void)drawView:(id)sender
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{
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CFTimeInterval frame_start_time = CACurrentMediaTime();
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NSAutoreleasePool *framePool = [[NSAutoreleasePool alloc] init];
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CFTimeInterval time = [displayLink timestamp];
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float deltaTime = (time - _lastTime);
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_lastTime = time;
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const GLfloat PI = 3.14159265;
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const GLfloat d2r = PI * 2 / 360;
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KREngine *engine = [glView getEngine];
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int iParam = int(dLeftSlider * ([engine getParameterCount] + 1));
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if(iParam > [engine getParameterCount]) {
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iParam = [engine getParameterCount];
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}
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if(cParamDisplayFrames && iParam < [engine getParameterCount]) {
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cParamDisplayFrames--;
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char szText[256];
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const char *szName = [[engine getParameterLabelWithIndex: iParam] UTF8String];
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double dValue = [engine getParameterValueWithIndex: iParam];
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switch([engine getParameterTypeWithIndex: iParam]) {
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case KRENGINE_PARAMETER_INT:
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sprintf(szText, "%s: %i", szName, (int)dValue);
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break;
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case KRENGINE_PARAMETER_BOOL:
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sprintf(szText, "%s: %s", szName, dValue == 0.0 ? "false" : "true");
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break;
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case KRENGINE_PARAMETER_FLOAT:
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sprintf(szText, "%s: %f", szName, dValue);
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break;
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}
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NSString *debug_text = [[NSString alloc] initWithUTF8String:szText];
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[engine setDebugText: debug_text];
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[debug_text release];
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} else {
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[engine setDebugText: @""];
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}
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if(bUpdateParam) {
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bUpdateParam = false;
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double dValue = dRightSlider * ([engine getParameterMaxWithIndex: iParam] - [engine getParameterMinWithIndex: iParam]) + [engine getParameterMinWithIndex: iParam];
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switch([engine getParameterTypeWithIndex: iParam]) {
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case KRENGINE_PARAMETER_INT:
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dValue = dRightSlider * ([engine getParameterMaxWithIndex: iParam] + 0.5 - [engine getParameterMinWithIndex: iParam]) + [engine getParameterMinWithIndex: iParam];
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[engine setParameterValueWithIndex: iParam Value: dValue];
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break;
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case KRENGINE_PARAMETER_BOOL:
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[engine setParameterValueWithIndex: iParam Value: 1.0 - dValue];
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break;
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case KRENGINE_PARAMETER_FLOAT:
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[engine setParameterValueWithIndex: iParam Value: dValue];
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break;
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}
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}
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double dScaleFactor = 1000.0f * deltaTime;
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camera_position.z += (-cos(camera_pitch) * cos(camera_yaw) * leftStickDeltaX + -cos(camera_pitch) * cos(camera_yaw - 90.0f * d2r) * -leftStickDeltaY) * dScaleFactor;
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camera_position.x += (cos(camera_pitch) * sin(camera_yaw) * leftStickDeltaX + cos(camera_pitch) * sin(camera_yaw - 90.0f * d2r) * -leftStickDeltaY) * dScaleFactor;
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camera_position.y += sin(camera_pitch) * leftStickDeltaX * dScaleFactor;
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camera_yaw += rightStickDeltaY * 180.0 * d2r * deltaTime;
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camera_pitch += rightStickDeltaX * 180.0 * d2r * deltaTime;
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[glView setDisplayFramebuffer];
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[engine renderScene: [glView getScene] WithPosition:camera_position Yaw: camera_yaw Pitch: camera_pitch Roll:0.0f];
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[glView presentFramebuffer];
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[framePool release];
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double frameTime = CACurrentMediaTime() - frame_start_time;
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NSLog(@"frameTime = %.1f ms (%.2f fps / %.2f fps) - %.2f%%", frameTime * 1000.0f, 1.0f / frameTime, 1.0f / deltaTime, frameTime / deltaTime * 100.0f);
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}
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@end
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