fixed doubles becoming nan (was fpu corruption), some render fixes

.gitignore

@@ -1,4 +1,6 @@
 *.exe
 *.img
 *.code-workspace
-*.zip
+*.zip
+dino
+*.code-workspace

.vscode/c_cpp_properties.json

@@ -0,0 +1,18 @@
+{
+    "configurations": [
+        {
+            "name": "Linux",
+            "includePath": [
+                "${workspaceFolder}/**",
+                "${workspaceFolder}/../kolibrios-nextgen/programs/develop/ktcc/trunk/libc.obj",
+                "/home/coder/Documents/Programming_projects/kolibrios-nextgen/programs/develop/ktcc/trunk/libc.obj/include"
+            ],
+            "defines": [],
+            "compilerPath": "/usr/bin/clang",
+            "cStandard": "c17",
+            "cppStandard": "c++14",
+            "intelliSenseMode": "linux-clang-x64"
+        }
+    ],
+    "version": 4
+}

Makefile

@@ -1,5 +1,5 @@
-KTCC_DIR = ../../develop/ktcc/trunk
+KTCC_DIR = ../kolibrios-nextgen/programs/develop/ktcc/trunk
-KLIBC = ../../develop/ktcc/trunk/libc.obj
+KLIBC = $(KTCC_DIR)/libc.obj
 
 NAME = dino
 
@@ -7,7 +7,7 @@ KTCC = $(KTCC_DIR)/bin/kos32-tcc
 KPACK = kpack
 
 SRC = $(wildcard *.c)
-FLAGS= -B$(KTCC_DIR)/bin -I $(KLIBC)/include 
+FLAGS= -B$(KTCC_DIR)/bin -I $(KLIBC)/include -Wall -stack=20480
 LIBS = -limg
 
 all: $(SRC)

distance_meter.c

@@ -77,14 +77,14 @@ bool distanceMeterUpdate(int deltaTime, int _distance) {
 	bool playSound = false;
 	int distance = _distance;
 	if (!distanceMeter.achievement) {
-		distance = distanceMeterGetActualDistance(_distance);
+		distance = distanceMeterGetActualDistance(distance);
 		// check if score has gone beyond the initial digit count.
 		if (distance > distanceMeter.maxScore && distanceMeter.maxScoreUnits == DM_MAX_DISTANCE_UNITS) {
 			distanceMeter.maxScoreUnits++;
 			distanceMeter.maxScore = distanceMeter.maxScore * 10 + 9;
 		}
 		// else {
-			// this.distance was in original but i didsnt see any usage of this field
+			// NOTE this.distance was in original but i didsnt see any usage of this field
 		// }
 
 		if (distance > 0) {

graphics.c

@@ -1,5 +1,6 @@
 #include "graphics.h"
 #include "sprites.h"
+#include <assert.h>
 
 static ksys_colors_table_t sys_color_table;
 static ksys_pos_t win_pos;
@@ -24,14 +25,75 @@ void graphicsInit() {
     }
     debug_printf("spriteAtlas->Type = %d\n", spriteAtlas->Type);
     screenImage = img_create(DEFAULT_WIDTH, 200, IMAGE_BPP32);
+    // asm_inline("emms"); // doenst need bec. libimg functions used here does not use mmx (=> does not currept fpu state)
 }
 
+// void save_fpu_state(void *fpustate) {
+//     __asm__("fsave %0" : "=m" (*fpustate) : : "memory");
+// }
+
+// void restore_fpu_state(const void *fpustate) {
+//     __asm__("fnsave %0" : : "m" (*fpustate));
+// }
+
+
 void graphicsBlitAtlasImage(int atlasX, int atlasY, int destX, int destY, int w, int h, bool center) {
-    // debug_printf("start graphicsBlitAtlasImage %d %d %d %d %d %d %x %x\n", atlasX, atlasY, destX, destY, w, h, screenImage, spriteAtlas);
+    // debug_printf("start graphicsBlitAtlasImage ax = %d ay = %d dx = %d dy = %d w = %d h = %d %x %x\n", atlasX, atlasY, destX, destY, w, h, screenImage, spriteAtlas);
-    if (destX < 0 || destY < 0) {
+    
+    // // asm_inline("int $3");
+
+    
+    // if (destX < 0 || destY < 0) {
+    //     return;
+    // }
+    // // assert(destX + w <= screenImage->Width && destY + h <= screenImage->Height);
+    // if (destX + w > screenImage->Width || destY + h > screenImage->Height) {
+    //     return;
+    // }
+
+    int screen_width = (int)screenImage->Width;
+    int screen_height = (int)screenImage->Height;
+    
+    if (destX >= screen_width) {
+        //debug_printf("dX>w!\n");
         return;
     }
+     if (destY >= screen_height) {
+        //debug_printf("dY>h!\n");
+        return;
+    }
+
+    if (destX < 0) {
+        destX = 0;
+        w = destX + w;
+    }
+    if (destX + w > screen_width) {
+        w = screen_width - destX;
+    }
+
+    if (destY < 0) {
+        destY = 0;
+        h = destY + h;
+    }
+    if (destY + h > screen_height) {
+        h = screen_height - destY;
+    }
+
+    //printf("start graphicsBlitAtlasImage ax = %d ay = %d dx = %d dy = %d w = %d h = %d %x %x\n\n", atlasX, atlasY, destX, destY, w, h, screenImage, spriteAtlas);
+    
+
+    // assert(destX + w <= screen_width && destY + h <= screen_height);
+    // assert(destX >= 0 && destY >= 0);
+
+    // asm_inline("int $3");
+    /*unsigned char buf[512];
+    save_fpu_state(buf);
     img_blend(screenImage, spriteAtlas, destX, destY, atlasX, atlasY, w, h);
+    restore_fpu_state(buf);*/
+
+    img_blend(screenImage, spriteAtlas, destX, destY, atlasX, atlasY, w, h);
+    asm_inline("emms");
+
     // debug_printf("end graphicsBlitAtlasImage\n\n");
 }
 

horizon.c

@@ -15,12 +15,20 @@ void horizonInit(int dim_width, double gapCoefficient) {
 }
 
 void horizonUpdate(int deltaTime, double currentSpeed, bool updateObstacles, bool showNightMode) {
-	// horizon.runningTime += deltaTime;
+	//horizon.runningTime += deltaTime;
+    debug_printf("h 00 rs = %lf\n", currentSpeed);
 	horizonLineUpdate(deltaTime, currentSpeed);
+    debug_printf("h 0 rs = %lf\n", currentSpeed);
+    // if (currentSpeed != currentSpeed) {
+    //     currentSpeed = 6.0;
+    // }
 	// horizon.nightMode.update(showNightMode);
 	horizonUpdateClouds(deltaTime, currentSpeed);
+    debug_printf("h 1\n");
 	if (updateObstacles) {
+        debug_printf("h 02\n");
 		horizonUpdateObstacles(deltaTime, currentSpeed);
+        debug_printf("h 2\n");
 	}
 }
 
@@ -62,6 +70,7 @@ void horizonUpdateObstacles(int deltaTime, double currentSpeed) {
     // Obstacles, move to Horizon layer
     Node* obNode = horizon.obstacles->head;
     while (obNode != NULL) {
+        debug_printf("obNode = 0x%x, currentSpeed = %lf\n", obNode, currentSpeed);
         Node* obNodeNext = obNode->next;
         Obstacle* ob = obNode->data;
         obstacleUpdate(ob, deltaTime, currentSpeed);
@@ -76,17 +85,25 @@ void horizonUpdateObstacles(int deltaTime, double currentSpeed) {
         obNode = obNodeNext;
     }
 
+    debug_printf("hu 1\n");
+
     if (ulist_size(horizon.obstacles) > 0) {
         Obstacle *lastObstacle = horizon.obstacles->tail->data;
 
+        debug_printf("hu 02\n");
+
         if (lastObstacle && !lastObstacle->followingObstacleCreated && obstacleIsVisible(lastObstacle) && (lastObstacle->xPos + lastObstacle->width + lastObstacle->gap) < horizon.dim_width) {
+            debug_printf("hu 02+\n");
             horizonAddNewObstacle(currentSpeed);
+            debug_printf("hu 02++\n");
             lastObstacle->followingObstacleCreated = true;
         }
+        debug_printf("hu 2\n");
     }
     else {
         // Create new obstacles.
         horizonAddNewObstacle(currentSpeed);
+        debug_printf("hu 3\n");
     }
 }
 
@@ -100,6 +117,7 @@ void horizonAddNewObstacle(double currentSpeed) {
         horizonAddNewObstacle(currentSpeed);
     }
     else {
+        debug_printf("han 0\n");
         Obstacle* ob = malloc(sizeof(Obstacle));
         obstacleInit(ob, otc, horizon.dim_width, horizon.gapCoefficient, currentSpeed, otc->width);
         ulist_push_back(horizon.obstacles, ob);
@@ -107,6 +125,7 @@ void horizonAddNewObstacle(double currentSpeed) {
         if (ulist_size(horizon.obstacleHistory) > 1) {
             ulist_splice(horizon.obstacleHistory, RUNNER_MAX_OBSTACLE_DUPLICATION);
         }
+        debug_printf("han 1\n");
     }
 }
 
@@ -114,11 +133,13 @@ bool horizonDuplicateObstacleCheck(ObstacleType nextObstacleType) {
     //printf("horizonDuplicateObstacleCheck(%d)\n", nextObstacleType);
     int duplicateCount = 0;
     Node* ohNode = horizon.obstacleHistory->head;
+    debug_printf("hd 0\n");
     while (ohNode != NULL) {
         //printf("%d\n", *(int*)ohNode->data);
         duplicateCount = *(int*)ohNode->data == nextObstacleType ? duplicateCount + 1 : 0;
         ohNode = ohNode->next;
     }
+    debug_printf("hd 1\n");
     //printf("duplicateCount = %d\n\n", duplicateCount);
     return duplicateCount >= RUNNER_MAX_OBSTACLE_DUPLICATION;
 }

horizon_line.c

@@ -39,14 +39,21 @@ void horizonLineUpdateXPos(int pos, int increment) {
 }
 
 void horizonLineUpdate(int deltaTime, double speed) {
+	debug_printf("hlu0 = %lf\n", speed);
 	int increment = floor(speed * (FPS / 1000.0) * deltaTime);
+	debug_printf("hlu1 = %lf\n", speed);
 	if (horizonLine.xPos[0] <= 0) {
 		horizonLineUpdateXPos(0, increment);
 	}
 	else {
 		horizonLineUpdateXPos(1, increment);
 	}
+	// asm_inline("int $3");
+	int dsddds = rand() % 1000;
+	double jopa = 0.34243;
+	debug_printf("%d %lf hlu3 = %lf\n", jopa, dsddds, speed);
 	horizonLineDraw();
+	debug_printf("%d %lf hlu4 = %lf\n", jopa, dsddds, speed);
 }
 
 void horizonLineReset() {

main.c

@@ -16,8 +16,6 @@
 #include "trex.h"
 #include "runner.h"
 
-#pragma warning(disable:4996)
-
 uint8_t keyboard_layout[128];
 
 int main(int argc, char* args[]) {
@@ -27,14 +25,13 @@ int main(int argc, char* args[]) {
 
 	runnerInit();
 
-	_ksys_debug_puts("3333333");
+	_ksys_debug_puts("privet!! 123");
-	_ksys_debug_puts("xABCDEFuuit56\n\n");
+	//_ksys_debug_puts("xABCDEFuuit56\n\n");
 
 	_ksys_set_event_mask(0xC0000027); // !
 	_ksys_set_key_input_mode(KSYS_KEY_INPUT_MODE_SCANC);
 	_ksys_keyboard_layout(KSYS_KEYBOARD_LAYOUT_NORMAL, keyboard_layout);
 
-	uint32_t kos_event;	
 	int ext_code = 0;
     uint8_t old_mode = 0;
 
@@ -42,7 +39,7 @@ int main(int argc, char* args[]) {
 	while (quit == false) {
 		int frameStartTime = getTimeStamp();
 		//printf("frameStartTime = %d\n", frameStartTime);
-        kos_event = _ksys_check_event();
+        uint32_t kos_event = _ksys_check_event();
         switch (kos_event) {
 		case KSYS_EVENT_BUTTON:
 			switch (_ksys_get_button()){
@@ -77,9 +74,11 @@ int main(int argc, char* args[]) {
 				
 				if (scancode < 128) { // KEYDOWN
 					//debug_printf("Keydown: key = 0x%x, scancode = 0x%x, code = 0x%x (%u) state = 0x%x\n", key.val, scancode, code, code, key.state);
+					//debug_printf("keydown c  = %u\n", key.code);
 					runnerOnKeyDown(code);
 				} else { // KEYUP
 					//debug_printf("Keyup: key = 0x%x, scancode = 0x%x, code = 0x%x (%u) state = 0x%x\n", key.val, scancode, code, code, key.state);
+					//debug_printf("keyup c  = %u\n", key.code);
 					runnerOnKeyUp(code);
 				}
 			}
@@ -93,13 +92,16 @@ int main(int argc, char* args[]) {
 		// 	runnerOnKeyUp(event.key.keysym.sym & 0xFF);
 		// 	break;
 		case KSYS_EVENT_REDRAW:
+			//debug_printf("graphicsRender\n");
 			graphicsRender();
 			break; 
 		default:
 			break;
 		}
+
 		if (runner.nextUpdateScheduled) {
 			//printf("runner update! %u\n", getTimeStamp());
+			//debug_printf("runnerUpdate\n");
 			runnerUpdate();
 		}
 		else {

misc.c

@@ -1,5 +1,4 @@
 #include "misc.h"
-#pragma warning(disable:4996)
 
 int getRandomNumber(int _min, int _max) {
 	return rand() % (_max - _min + 1) + _min;

obstacle.c

@@ -63,7 +63,8 @@ int obstacleSpritePosX[3] = { ATLAS_CACTUS_SMALL_X, ATLAS_CACTUS_LARGE_X, ATLAS_
 int obstacleSpritePosY[3] = { ATLAS_CACTUS_SMALL_Y, ATLAS_CACTUS_LARGE_Y, ATLAS_PTERODACTYL_Y};
 
 
-void obstacleInit(Obstacle* ob, ObstacleTypeConfig *otc, int dim_width, double gapCoefficient, double speed, int opt_xOffset) {
+void obstacleInit(Obstacle* ob, const ObstacleTypeConfig *otc, int dim_width, double gapCoefficient, double speed, int opt_xOffset) {
+	debug_printf("oi 0\n");
 	ob->typeConfig = *otc;
 	ob->gapCoefficient = gapCoefficient;
 	ob->size = getRandomNumber(1, OBSTACLE_MAX_OBSTACLE_LENGTH);
@@ -71,6 +72,8 @@ void obstacleInit(Obstacle* ob, ObstacleTypeConfig *otc, int dim_width, double g
 	ob->xPos = dim_width + opt_xOffset;
 	ob->yPos = 0;
 
+	debug_printf("oi 1\n");
+
 	// For animated obstacles
 	ob->currentFrame = 0;
 	ob->timer = 0;
@@ -89,8 +92,12 @@ void obstacleInit(Obstacle* ob, ObstacleTypeConfig *otc, int dim_width, double g
 		ob->yPos = ob->typeConfig.yPos;
 	}
 
+	debug_printf("oi 2\n");
+
 	obstacleDraw(ob);
 
+	debug_printf("oi 3\n");
+
 	// Make collision box adjustments,
 	// Central box is adjusted to the size as one box.
 	//      ____        ______        ________
@@ -119,12 +126,16 @@ void obstacleDraw(const Obstacle *ob) {
 	if (ob->currentFrame > 0) {
 		sourceX += sourceWidth*ob->currentFrame;
 	}
+	//debug_printf("od ax=%u, ay=%u, dx=%u, dy=%u, w=%u, h=%u\n", sourceX, obstacleSpritePosY[ob->typeConfig.type], ob->xPos, ob->yPos, sourceWidth*ob->size, sourceHeight);
 	graphicsBlitAtlasImage(sourceX, obstacleSpritePosY[ob->typeConfig.type], ob->xPos, ob->yPos, sourceWidth*ob->size, sourceHeight, false);
+	//debug_printf("od 1\n");
 }
 
 void obstacleUpdate(Obstacle *ob, int deltaTime, double speed) {
 	if (!ob->remove) {
-		ob->xPos -= floor(((speed + ob->typeConfig.speedOffset)*FPS/1000.)*deltaTime);
+		double dx = floor(((speed + ob->typeConfig.speedOffset)*FPS/1000.)*deltaTime);
+		debug_printf("sp = %lf, ots = %lf, dx = %d, xpos = %d\n", speed, ob->typeConfig.speedOffset, (int)dx, ob->xPos - dx);
+		ob->xPos -= dx;//floor(((speed + ob->typeConfig.speedOffset)*FPS/1000.)*deltaTime);
 	}
 	// Update frames
 	if (ob->typeConfig.numFrames > 1) {

obstacle.h

@@ -58,7 +58,7 @@ typedef struct {
 
 extern ObstacleTypeConfig obstacleTypeConfigs[3];
 
-void obstacleInit(Obstacle *ob, ObstacleTypeConfig *otc, int dim_width, double gapCoefficient, double speed, int opt_xOffset);
+void obstacleInit(Obstacle *ob, const ObstacleTypeConfig *otc, int dim_width, double gapCoefficient, double speed, int opt_xOffset);
 void obstacleDraw(const Obstacle* ob);
 void obstacleUpdate(Obstacle* ob, int deltaTime, double speed);
 int obstacleGetGap(const Obstacle* ob, double gapCoefficient, double speed);

run.bat

@@ -1 +0,0 @@
-qemu-system-i386 -fda kolibri.img -boot a -m 512 -usbdevice tablet -drive file=fat:rw:.

run.sh

@@ -0,0 +1 @@
+qemu-system-i386 -fda kolibri.img -enable-kvm -boot a -m 512 -usbdevice tablet -drive file=fat:rw:.

runner.c

@@ -1,12 +1,14 @@
 #include "runner.h"
 
+int aaaaaaa[10000];
 Runner runner;
+int bbbbbb[10000];
 
 void runnerInit() {
 	runner.distanceRan = 0;
 	runner.highestScore = 0;
 	runner.time = 0;
-	runner.msPerFrame = 1000 / FPS;
+	runner.msPerFrame = 1000.0 / FPS;
 	runner.currentSpeed = RUNNER_SPEED;
 	runner.activated = false;
 	runner.playing = false;
@@ -63,7 +65,8 @@ void runnerOnKeyDown(int key) {
 			// Speed drop, activated only when jump key is not pressed.
 			trexSetSpeedDrop();
 		}
-		else if (!trex.jumping && !trex.ducking) {
+		//else if (!trex.jumping &&!trex.ducking) {
+		else if (!trex.ducking) {
 			// Duck
 			trexSetDuck(true);
 		}
@@ -109,10 +112,14 @@ void runnerUpdate() {
 		//printf("runnerUpdate() %d\n", getTimeStamp());
 		runnerClearCanvas();
 
+		debug_printf("t 0\n");
+
 		if (trex.jumping) {
 			trexUpdateJump(deltaTime);
 		}
 
+		debug_printf("t 1\n");
+
 		runner.runningTime += deltaTime;
 		bool hasObstacles = runner.runningTime > RUNNER_CLEAR_TIME;
 
@@ -124,16 +131,22 @@ void runnerUpdate() {
 
 		// The horizon doesn't move until the intro is over.
 		if (runner.playingIntro) {
+			debug_printf("t 02 rs = %lf\n", runner.currentSpeed);
 			horizonUpdate(0, runner.currentSpeed, hasObstacles, false);
+			debug_printf("t 2\n");
 		}
 		else {
 			deltaTime = !runner.activated ? 0 : deltaTime;
+			debug_printf("t 03 rs = %lf\n", runner.currentSpeed);
 			horizonUpdate(deltaTime, runner.currentSpeed, hasObstacles, runner.inverted);
+			debug_printf("t 3\n");
 		}
 
 		// Check for collisions.
 		bool collision = hasObstacles && runnerCheckForCollision(horizon.obstacles->head->data);
 
+		debug_printf("t 4\n");
+
 		if (!collision) {
 			runner.distanceRan += runner.currentSpeed * deltaTime / runner.msPerFrame;
 
@@ -143,10 +156,13 @@ void runnerUpdate() {
 		}
 		else {
 			runnerGameOver();
+			debug_printf("t 5\n");
 		}
 
 		bool playAchievementSound = distanceMeterUpdate(deltaTime, (int)ceil(runner.distanceRan));
 
+		debug_printf("t 6\n");
+
 		if (playAchievementSound) {
 			//this.playSound(this.soundFx.SCORE); // TODO
 		}

runner.h

@@ -27,10 +27,10 @@
 #define RUNNER_MAX_CLOUDS 6
 #define RUNNER_MAX_OBSTACLE_LENGTH 3
 #define RUNNER_MAX_OBSTACLE_DUPLICATION 2
-#define RUNNER_MAX_SPEED 13
+#define RUNNER_MAX_SPEED 13.0
 #define RUNNER_MIN_JUMP_HEIGHT 35
 #define RUNNER_MOBILE_SPEED_COEFFICIENT 1.2
-#define RUNNER_SPEED 6
+#define RUNNER_SPEED 6.0
 #define RUNNER_SPEED_DROP_COEFFICIENT 3
 
 #define RUNNER_KEYCODE_JUMP_1 82
@@ -46,6 +46,7 @@ typedef struct {
 	int time;
 	int runningTime;
 	double msPerFrame;
+	double azazzaza; //
 	double currentSpeed;
 	// Ulist* obstacles;
 	bool activated;