firing works
This commit is contained in:
parent
129b1f7566
commit
cf3cdad788
1
.gitignore
vendored
1
.gitignore
vendored
@ -9,3 +9,4 @@
|
||||
*.err
|
||||
*.bak
|
||||
*.lib
|
||||
capture/
|
||||
|
||||
33
arena.c
33
arena.c
@ -61,6 +61,31 @@ void renderArenaTile(int x, int y) {
|
||||
drawSprite(target);
|
||||
}
|
||||
|
||||
char arenaRedrawRequests[ARENA_HEIGHT_TILES][ARENA_WIDTH_TILES];
|
||||
|
||||
void clearArenaRedrawRequests() {
|
||||
int x, y;
|
||||
|
||||
for (y = 0; y < ARENA_HEIGHT_TILES; ++y) {
|
||||
for (x = 0; x < ARENA_WIDTH_TILES; ++x) {
|
||||
arenaRedrawRequests[y][x] = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void redrawArena() {
|
||||
int x, y;
|
||||
|
||||
for (y = 0; y < ARENA_HEIGHT_TILES; ++y) {
|
||||
for (x = 0; x < ARENA_WIDTH_TILES; ++x) {
|
||||
if (arenaRedrawRequests[y][x]) {
|
||||
renderArenaTile(x, y);
|
||||
arenaRedrawRequests[y][x] = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void drawOnlyArena(struct SpriteBounds *bounds) {
|
||||
int leftTileX, rightTileX,
|
||||
topTileY, bottomTileY;
|
||||
@ -70,10 +95,10 @@ void drawOnlyArena(struct SpriteBounds *bounds) {
|
||||
topTileY = bounds->top / TILE_SIZE;
|
||||
bottomTileY = bounds->bottom / TILE_SIZE;
|
||||
|
||||
renderArenaTile(leftTileX, topTileY);
|
||||
renderArenaTile(rightTileX, topTileY);
|
||||
renderArenaTile(rightTileX, bottomTileY);
|
||||
renderArenaTile(leftTileX, bottomTileY);
|
||||
arenaRedrawRequests[topTileY][leftTileX] = 1;
|
||||
arenaRedrawRequests[topTileY][rightTileX] = 1;
|
||||
arenaRedrawRequests[bottomTileY][leftTileX] = 1;
|
||||
arenaRedrawRequests[bottomTileY][rightTileX] = 1;
|
||||
}
|
||||
|
||||
void buildArena() {
|
||||
|
||||
2
arena.h
2
arena.h
@ -1,6 +1,8 @@
|
||||
#include "bmpload.h"
|
||||
#include "system/vga.h"
|
||||
|
||||
void clearArenaRedrawRequests();
|
||||
void redrawArena();
|
||||
void drawOnlyArena(struct SpriteBounds *bounds);
|
||||
void buildArena();
|
||||
void setupWallSprites(struct BMPImage *);
|
||||
|
||||
23
const.h
23
const.h
@ -1,5 +1,24 @@
|
||||
#define TILE_SIZE (20)
|
||||
#define RAD2DEG (180/3.14159)
|
||||
#define DEG2RAD (3.14159/180)
|
||||
#define ARENA_WIDTH_TILES (10)
|
||||
#define ARENA_HEIGHT_TILES (10)
|
||||
|
||||
#define MOUSE_DISTANCE (32)
|
||||
|
||||
#define RABBIT_MOTION_DRAG (2)
|
||||
#define RABBIT_MOTION_ACCELERATION (5)
|
||||
#define RABBIT_MOTION_MAX_SPEED (12)
|
||||
#define RABBIT_MOTION_VELOCITY_DECAY (5)
|
||||
|
||||
#define RABBIT_BULLET_LIMIT (12)
|
||||
#define RABBIT_BULLET_VELOCITY (RABBIT_MOTION_ACCELERATION + 2)
|
||||
#define RABBIT_BULLET_COOLDOWN (10)
|
||||
#define RABBIT_BULLET_HEIGHT_START (8)
|
||||
|
||||
#define MOUSE_LIMIT_TOP (TILE_SIZE)
|
||||
#define MOUSE_LIMIT_BOTTOM ((ARENA_HEIGHT_TILES - 1) * TILE_SIZE - 1)
|
||||
#define MOUSE_LIMIT_LEFT (TILE_SIZE)
|
||||
#define MOUSE_LIMIT_RIGHT ((ARENA_WIDTH_TILES - 1) * TILE_SIZE - 1)
|
||||
|
||||
#define RAD2DEG (180/3.14159)
|
||||
#define DEG2RAD (3.14159/180)
|
||||
|
||||
|
||||
257
game.c
257
game.c
@ -6,14 +6,98 @@
|
||||
#include "system/keyboard.h"
|
||||
#include "system/mouse_io.h"
|
||||
#include "system/pc_stuff.h"
|
||||
|
||||
#include "bmpload.h"
|
||||
#include "const.h"
|
||||
#include "arena.h"
|
||||
#include "movement.h"
|
||||
|
||||
struct BMPImage spritesheetImage;
|
||||
struct VGAColor vgaColors[256];
|
||||
|
||||
struct SpriteRender rabbit, mouse;
|
||||
struct SpriteRender rabbit, mouse, bullet;
|
||||
struct RabbitPosition rabbitPosition = {
|
||||
.rabbitPosition = { 60, 60 },
|
||||
.rabbitLimits = { { 20, 20 }, { 180, 180 } },
|
||||
.mousePosition = { 0, 0 },
|
||||
.rabbitVelocity = { 0, 0 },
|
||||
.mouseDotPosition = { 0, 0 }
|
||||
};
|
||||
|
||||
struct BulletPosition rabbitBulletPosition[RABBIT_BULLET_LIMIT];
|
||||
struct RabbitWeaponry rabbitWeaponry;
|
||||
|
||||
void setupRabbitBullets() {
|
||||
char i;
|
||||
|
||||
for (i = 0; i < RABBIT_BULLET_LIMIT; ++i) {
|
||||
rabbitBulletPosition[i].isActive = 0;
|
||||
rabbitBulletPosition[i].willBeInactive = 0;
|
||||
}
|
||||
|
||||
rabbitWeaponry.cooldown = 0;
|
||||
}
|
||||
|
||||
void attemptToFireRabbitBullet() {
|
||||
char okToFire = 0, availableBullet, i;
|
||||
signed char doubleVelocityX, doubleVelocityY;
|
||||
|
||||
if (rabbitWeaponry.cooldown > 0) return;
|
||||
|
||||
for (i = 0; i < RABBIT_BULLET_LIMIT; ++i) {
|
||||
if (rabbitBulletPosition[i].isActive == 0) {
|
||||
okToFire = 1;
|
||||
availableBullet = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!okToFire) return;
|
||||
|
||||
rabbitWeaponry.cooldown = RABBIT_BULLET_COOLDOWN;
|
||||
|
||||
doubleVelocityX = sin(rabbitPosition.mouseAngle * DEG2RAD) * (RABBIT_BULLET_VELOCITY * 2);
|
||||
doubleVelocityY = -cos(rabbitPosition.mouseAngle * DEG2RAD) * (RABBIT_BULLET_VELOCITY * 2);
|
||||
|
||||
rabbitBulletPosition[availableBullet].isActive = 1;
|
||||
rabbitBulletPosition[availableBullet].willBeInactive = 0;
|
||||
rabbitBulletPosition[availableBullet].x = rabbitPosition.rabbitPosition[0];
|
||||
rabbitBulletPosition[availableBullet].y = rabbitPosition.rabbitPosition[1] - RABBIT_BULLET_HEIGHT_START;
|
||||
rabbitBulletPosition[availableBullet].oldX = rabbitBulletPosition[availableBullet].x;
|
||||
rabbitBulletPosition[availableBullet].oldY = rabbitBulletPosition[availableBullet].y;
|
||||
|
||||
rabbitBulletPosition[availableBullet].velocityXSteps[0] = doubleVelocityX / RABBIT_BULLET_VELOCITY;
|
||||
rabbitBulletPosition[availableBullet].velocityXSteps[1] = doubleVelocityX % RABBIT_BULLET_VELOCITY;
|
||||
|
||||
rabbitBulletPosition[availableBullet].velocityYSteps[0] = doubleVelocityY / RABBIT_BULLET_VELOCITY;
|
||||
rabbitBulletPosition[availableBullet].velocityYSteps[1] = doubleVelocityY % RABBIT_BULLET_VELOCITY;
|
||||
|
||||
rabbitBulletPosition[availableBullet].velocityStep = 0;
|
||||
}
|
||||
|
||||
void advanceRabbitBullets() {
|
||||
char i;
|
||||
signed char velocityX, velocityY;
|
||||
|
||||
for (i = 0; i < RABBIT_BULLET_LIMIT; ++i) {
|
||||
if (!rabbitBulletPosition[i].isActive) continue;
|
||||
|
||||
rabbitBulletPosition[i].oldX = rabbitBulletPosition[i].x;
|
||||
rabbitBulletPosition[i].oldY = rabbitBulletPosition[i].y;
|
||||
|
||||
rabbitBulletPosition[i].x += rabbitBulletPosition[i].velocityXSteps[rabbitBulletPosition[i].velocityStep];
|
||||
rabbitBulletPosition[i].y += rabbitBulletPosition[i].velocityYSteps[rabbitBulletPosition[i].velocityStep];
|
||||
|
||||
if (rabbitBulletPosition[i].x < MOUSE_LIMIT_LEFT) rabbitBulletPosition[i].willBeInactive = 1;
|
||||
if (rabbitBulletPosition[i].x >= MOUSE_LIMIT_RIGHT) rabbitBulletPosition[i].willBeInactive = 1;
|
||||
if (rabbitBulletPosition[i].y < MOUSE_LIMIT_TOP) rabbitBulletPosition[i].willBeInactive = 1;
|
||||
if (rabbitBulletPosition[i].y >= MOUSE_LIMIT_BOTTOM) rabbitBulletPosition[i].willBeInactive = 1;
|
||||
|
||||
rabbitBulletPosition[i].velocityStep = 1 - rabbitBulletPosition[i].velocityStep;
|
||||
}
|
||||
|
||||
if (rabbitWeaponry.cooldown > 0) rabbitWeaponry.cooldown--;
|
||||
}
|
||||
|
||||
void setupRabbitSprites() {
|
||||
buildSpriteFromSpritesheet(
|
||||
@ -33,116 +117,90 @@ void setupRabbitSprites() {
|
||||
|
||||
mouse.offsetX = 4;
|
||||
mouse.offsetY = 4;
|
||||
|
||||
buildSpriteFromSpritesheet(
|
||||
&spritesheetImage,
|
||||
&bullet,
|
||||
16, 28, 4, 4
|
||||
);
|
||||
|
||||
bullet.offsetX = 1;
|
||||
bullet.offsetY = 1;
|
||||
}
|
||||
|
||||
|
||||
#define RABBIT_MOTION_DRAG (2)
|
||||
#define RABBIT_MOTION_ACCELERATION (5)
|
||||
#define RABBIT_MOTION_MAX_SPEED (12)
|
||||
|
||||
int rabbitPosition[2] = { 60, 60 };
|
||||
int oldRabbitPosition[2] = { 60, 60 };
|
||||
int rabbitLimits[2][2] = {
|
||||
{ 20, 20 },
|
||||
{ 180, 180 }
|
||||
};
|
||||
|
||||
signed char rabbitVelocity[2] = { 0, 0 };
|
||||
|
||||
struct MouseStatus mouseStatus;
|
||||
char mousePosition[2] = { 0, 0 };
|
||||
char oldMousePosition[2] = { 0, 0 };
|
||||
|
||||
char mouseDotPosition[2] = { 0, 0 };
|
||||
char oldMouseDotPosition[2] = { 0, 0 };
|
||||
|
||||
void renderMouse() {
|
||||
mouse.x = mousePosition[0];
|
||||
mouse.y = mousePosition[1];
|
||||
mouse.x = rabbitPosition.mousePosition[0];
|
||||
mouse.y = rabbitPosition.mousePosition[1];
|
||||
|
||||
drawSprite(&mouse);
|
||||
drawPixel(mouseDotPosition[0], mouseDotPosition[1], 2);
|
||||
drawPixel(rabbitPosition.mouseDotPosition[0], rabbitPosition.mouseDotPosition[1], 2);
|
||||
}
|
||||
|
||||
void renderRabbit() {
|
||||
rabbit.x = rabbitPosition[0];
|
||||
rabbit.y = rabbitPosition[1];
|
||||
rabbit.x = rabbitPosition.rabbitPosition[0];
|
||||
rabbit.y = rabbitPosition.rabbitPosition[1];
|
||||
|
||||
drawSprite(&rabbit);
|
||||
}
|
||||
|
||||
void handleRabbitMovement() {
|
||||
int i;
|
||||
void renderRabbitBullets() {
|
||||
char i;
|
||||
|
||||
if (keyboardKeydownState.KEY_W) {
|
||||
rabbitVelocity[1] -= RABBIT_MOTION_ACCELERATION;
|
||||
if (rabbitVelocity[1] < -RABBIT_MOTION_MAX_SPEED) {
|
||||
rabbitVelocity[1] = -RABBIT_MOTION_MAX_SPEED;
|
||||
}
|
||||
}
|
||||
if (keyboardKeydownState.KEY_S) {
|
||||
rabbitVelocity[1] += RABBIT_MOTION_ACCELERATION;
|
||||
if (rabbitVelocity[1] > RABBIT_MOTION_MAX_SPEED) {
|
||||
rabbitVelocity[1] = RABBIT_MOTION_MAX_SPEED;
|
||||
}
|
||||
}
|
||||
if (keyboardKeydownState.KEY_A) {
|
||||
rabbitVelocity[0] -= RABBIT_MOTION_ACCELERATION;
|
||||
if (rabbitVelocity[0] < -RABBIT_MOTION_MAX_SPEED) {
|
||||
rabbitVelocity[0] = -RABBIT_MOTION_MAX_SPEED;
|
||||
}
|
||||
}
|
||||
if (keyboardKeydownState.KEY_D) {
|
||||
rabbitVelocity[0] += RABBIT_MOTION_ACCELERATION;
|
||||
if (rabbitVelocity[0] > RABBIT_MOTION_MAX_SPEED) {
|
||||
rabbitVelocity[0] = RABBIT_MOTION_MAX_SPEED;
|
||||
}
|
||||
}
|
||||
char buffer[20];
|
||||
|
||||
for (i = 0; i < 2; ++i) {
|
||||
oldRabbitPosition[i] = rabbitPosition[i];
|
||||
rabbitPosition[i] += (rabbitVelocity[i] / 5);
|
||||
for (i = 0; i < RABBIT_BULLET_LIMIT; ++i) {
|
||||
if (!rabbitBulletPosition[i].isActive) continue;
|
||||
|
||||
if (rabbitPosition[i] < rabbitLimits[0][i]) {
|
||||
rabbitPosition[i] = rabbitLimits[0][i];
|
||||
}
|
||||
if (rabbitPosition[i] >= rabbitLimits[1][i]) {
|
||||
rabbitPosition[i] = rabbitLimits[1][i];
|
||||
}
|
||||
bullet.x = rabbitBulletPosition[i].x;
|
||||
bullet.y = rabbitBulletPosition[i].y;
|
||||
|
||||
if (rabbitVelocity[i] < 0) {
|
||||
rabbitVelocity[i] += RABBIT_MOTION_DRAG;
|
||||
if (rabbitVelocity[i] > 0) rabbitVelocity[i] = 0;
|
||||
}
|
||||
if (rabbitVelocity[i] > 0) {
|
||||
rabbitVelocity[i] -= RABBIT_MOTION_DRAG;
|
||||
if (rabbitVelocity[i] < 0) rabbitVelocity[i] = 0;
|
||||
}
|
||||
sprintf(buffer, "%d %d", bullet.x, bullet.y);
|
||||
writeString(buffer, 0, 10);
|
||||
|
||||
drawSprite(&bullet);
|
||||
}
|
||||
}
|
||||
|
||||
struct SpriteBounds bounds;
|
||||
|
||||
void drawOnlyMouseArena() {
|
||||
mouse.x = oldMousePosition[0];
|
||||
mouse.y = oldMousePosition[1];
|
||||
mouse.x = rabbitPosition.oldMousePosition[0];
|
||||
mouse.y = rabbitPosition.oldMousePosition[1];
|
||||
getSpriteBounds(&mouse, &bounds);
|
||||
drawOnlyArena(&bounds);
|
||||
|
||||
bounds.top = oldMouseDotPosition[1];
|
||||
bounds.bottom = oldMouseDotPosition[1];
|
||||
bounds.left = oldMouseDotPosition[0];
|
||||
bounds.right = oldMouseDotPosition[0];
|
||||
bounds.top = rabbitPosition.oldMouseDotPosition[1];
|
||||
bounds.bottom = rabbitPosition.oldMouseDotPosition[1];
|
||||
bounds.left = rabbitPosition.oldMouseDotPosition[0];
|
||||
bounds.right = rabbitPosition.oldMouseDotPosition[0];
|
||||
drawOnlyArena(&bounds);
|
||||
}
|
||||
|
||||
void drawOnlyRabbitArena() {
|
||||
rabbit.x = oldRabbitPosition[0];
|
||||
rabbit.y = oldRabbitPosition[1];
|
||||
rabbit.x = rabbitPosition.oldRabbitPosition[0];
|
||||
rabbit.y = rabbitPosition.oldRabbitPosition[1];
|
||||
getSpriteBounds(&rabbit, &bounds);
|
||||
drawOnlyArena(&bounds);
|
||||
}
|
||||
|
||||
void drawOnlyRabbitBulletArena() {
|
||||
int i;
|
||||
for (i = 0; i < RABBIT_BULLET_LIMIT; ++i) {
|
||||
if (!rabbitBulletPosition[i].isActive) continue;
|
||||
|
||||
bullet.x = rabbitBulletPosition[i].oldX;
|
||||
bullet.y = rabbitBulletPosition[i].oldY;
|
||||
getSpriteBounds(&bullet, &bounds);
|
||||
drawOnlyArena(&bounds);
|
||||
|
||||
if (rabbitBulletPosition[i].willBeInactive) {
|
||||
rabbitBulletPosition[i].isActive = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
int main(void) {
|
||||
FILE *fh;
|
||||
int keepRunning = 1;
|
||||
@ -158,26 +216,44 @@ int main(void) {
|
||||
|
||||
setupWallSprites(&spritesheetImage);
|
||||
setupRabbitSprites();
|
||||
setupRabbitBullets();
|
||||
|
||||
setVideoMode(VIDEO_MODE_VGA_256);
|
||||
bmp256ColorPaletteToVGAColorPalette(&spritesheetImage, vgaColors);
|
||||
setVGAColors(vgaColors, 256);
|
||||
|
||||
activateMouse(&mouseStatus);
|
||||
limitMouseArea(0, 0, 199, 199);
|
||||
|
||||
buildArena();
|
||||
clearArenaRedrawRequests();
|
||||
|
||||
while (keepRunning) {
|
||||
readMouse(&mouseStatus);
|
||||
populateKeyboardKeydownState();
|
||||
handleRabbitMovement();
|
||||
calculateTargetAngle();
|
||||
handleRabbitMovement(
|
||||
&rabbitPosition,
|
||||
&keyboardKeydownState
|
||||
);
|
||||
captureAndLimitMousePosition(
|
||||
&rabbitPosition,
|
||||
&mouseStatus
|
||||
);
|
||||
calculateTargetAngle(
|
||||
&rabbitPosition,
|
||||
&mouseStatus
|
||||
);
|
||||
|
||||
if (mouseStatus.leftButtonDown) attemptToFireRabbitBullet();
|
||||
|
||||
advanceRabbitBullets();
|
||||
|
||||
drawOnlyRabbitArena();
|
||||
drawOnlyMouseArena();
|
||||
drawOnlyRabbitBulletArena();
|
||||
redrawArena();
|
||||
renderRabbit();
|
||||
renderMouse();
|
||||
renderRabbitBullets();
|
||||
|
||||
waitStartVbl();
|
||||
|
||||
@ -188,33 +264,12 @@ int main(void) {
|
||||
if (keyboardKeydownState.KEY_ESC) { keepRunning = 0; }
|
||||
}
|
||||
|
||||
// states:
|
||||
// * main menu
|
||||
// * play
|
||||
// * quit
|
||||
// * play
|
||||
// * draw base map
|
||||
// * draw sidebar
|
||||
// * Game loop
|
||||
// * get mouse
|
||||
// * get keyboard
|
||||
// * set character position
|
||||
// * check for enemy spawn and spawn enemy if needed
|
||||
// * check for character firing and able to fire, spawn bullet if allowed
|
||||
// * check for each enemy firing and able to fire, spawn enemy bullet if allowed
|
||||
// * check for bullet collisions
|
||||
// * enemies are destroyed
|
||||
// * character is damaged
|
||||
// * check for bullets hitting the edges of the screen and remove
|
||||
// *
|
||||
//
|
||||
|
||||
freeBMP(&spritesheetImage);
|
||||
|
||||
setVideoMode(VIDEO_MODE_80x25_TEXT);
|
||||
uninstallKeyboardHandler();
|
||||
|
||||
fprintf(stderr, "meow\n");
|
||||
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
2
makefile
2
makefile
@ -1,4 +1,4 @@
|
||||
obj = game.o bmpload.o arena.o
|
||||
obj = game.o bmpload.o arena.o movement.o
|
||||
|
||||
all: system/system.lib game.exe .SYMBOLIC
|
||||
|
||||
|
||||
111
movement.c
111
movement.c
@ -1,28 +1,109 @@
|
||||
#include "const.h"
|
||||
#include <math.h>
|
||||
|
||||
void calculateTargetAngle() {
|
||||
#include "const.h"
|
||||
#include "movement.h"
|
||||
#include "system/mouse_io.h"
|
||||
|
||||
#include "system/pc_stuff.h"
|
||||
|
||||
void captureAndLimitMousePosition(
|
||||
struct RabbitPosition *pos,
|
||||
struct MouseStatus *mouseStatus
|
||||
) {
|
||||
pos->oldMouseDotPosition[0] = pos->mouseDotPosition[0];
|
||||
pos->oldMouseDotPosition[1] = pos->mouseDotPosition[1];
|
||||
|
||||
pos->mouseDotPosition[0] = mouseStatus->xPosition;
|
||||
pos->mouseDotPosition[1] = mouseStatus->yPosition;
|
||||
|
||||
if (pos->mouseDotPosition[0] < MOUSE_LIMIT_LEFT) pos->mouseDotPosition[0] = MOUSE_LIMIT_LEFT;
|
||||
if (pos->mouseDotPosition[0] >= MOUSE_LIMIT_RIGHT) pos->mouseDotPosition[0] = MOUSE_LIMIT_RIGHT;
|
||||
if (pos->mouseDotPosition[1] < MOUSE_LIMIT_TOP) pos->mouseDotPosition[1] = MOUSE_LIMIT_TOP;
|
||||
if (pos->mouseDotPosition[1] >= MOUSE_LIMIT_BOTTOM) pos->mouseDotPosition[1] = MOUSE_LIMIT_BOTTOM;
|
||||
}
|
||||
|
||||
void calculateTargetAngle(
|
||||
struct RabbitPosition *pos,
|
||||
struct MouseStatus *mouseStatus
|
||||
) {
|
||||
float distanceX, distanceY;
|
||||
float angle;
|
||||
|
||||
oldMouseDotPosition[0] = mouseDotPosition[0];
|
||||
oldMouseDotPosition[1] = mouseDotPosition[1];
|
||||
// Position the cursor
|
||||
distanceX = pos->mouseDotPosition[0] - pos->rabbitPosition[0];
|
||||
distanceY = pos->mouseDotPosition[1] - pos->rabbitPosition[1] - RABBIT_BULLET_HEIGHT_START;
|
||||
|
||||
mouseDotPosition[0] = mouseStatus.xPosition;
|
||||
mouseDotPosition[1] = mouseStatus.yPosition;
|
||||
|
||||
distanceX = mouseStatus.xPosition - rabbitPosition[0];
|
||||
distanceY = mouseStatus.yPosition - rabbitPosition[1];
|
||||
|
||||
angle = atan2(distanceY, distanceX) * 180 / 3.14159 + 90;
|
||||
angle = atan2(distanceY, distanceX) * RAD2DEG + 90;
|
||||
if (angle < 0) angle += 360;
|
||||
|
||||
distanceX = sin(angle * DEG2RAD) * MOUSE_DISTANCE;
|
||||
distanceY = -cos(angle * DEG2RAD) * MOUSE_DISTANCE;
|
||||
|
||||
oldMousePosition[0] = mousePosition[0];
|
||||
oldMousePosition[1] = mousePosition[1];
|
||||
pos->oldMousePosition[0] = pos->mousePosition[0];
|
||||
pos->oldMousePosition[1] = pos->mousePosition[1];
|
||||
|
||||
mousePosition[0] = rabbitPosition[0] + distanceX;
|
||||
mousePosition[1] = rabbitPosition[1] + distanceY;
|
||||
pos->mousePosition[0] = pos->rabbitPosition[0] + distanceX;
|
||||
pos->mousePosition[1] = pos->rabbitPosition[1] + distanceY;
|
||||
|
||||
// get the shot angle
|
||||
distanceX = pos->mouseDotPosition[0] - pos->rabbitPosition[0];
|
||||
distanceY = pos->mouseDotPosition[1] - pos->rabbitPosition[1];
|
||||
|
||||
angle = atan2(distanceY, distanceX) * RAD2DEG + 90;
|
||||
if (angle < 0) angle += 360;
|
||||
|
||||
pos->mouseAngle = angle;
|
||||
}
|
||||
|
||||
void handleRabbitMovement(
|
||||
struct RabbitPosition *pos,
|
||||
struct KeyboardKeydownState *keyboardKeydownState
|
||||
) {
|
||||
int i;
|
||||
|
||||
if (keyboardKeydownState->KEY_W) {
|
||||
pos->rabbitVelocity[1] -= RABBIT_MOTION_ACCELERATION;
|
||||
if (pos->rabbitVelocity[1] < -RABBIT_MOTION_MAX_SPEED) {
|
||||
pos->rabbitVelocity[1] = -RABBIT_MOTION_MAX_SPEED;
|
||||
}
|
||||
}
|
||||
if (keyboardKeydownState->KEY_S) {
|
||||
pos->rabbitVelocity[1] += RABBIT_MOTION_ACCELERATION;
|
||||
if (pos->rabbitVelocity[1] > RABBIT_MOTION_MAX_SPEED) {
|
||||
pos->rabbitVelocity[1] = RABBIT_MOTION_MAX_SPEED;
|
||||
}
|
||||
}
|
||||
if (keyboardKeydownState->KEY_A) {
|
||||
pos->rabbitVelocity[0] -= RABBIT_MOTION_ACCELERATION;
|
||||
if (pos->rabbitVelocity[0] < -RABBIT_MOTION_MAX_SPEED) {
|
||||
pos->rabbitVelocity[0] = -RABBIT_MOTION_MAX_SPEED;
|
||||
}
|
||||
}
|
||||
if (keyboardKeydownState->KEY_D) {
|
||||
pos->rabbitVelocity[0] += RABBIT_MOTION_ACCELERATION;
|
||||
if (pos->rabbitVelocity[0] > RABBIT_MOTION_MAX_SPEED) {
|
||||
pos->rabbitVelocity[0] = RABBIT_MOTION_MAX_SPEED;
|
||||
}
|
||||
}
|
||||
|
||||
for (i = 0; i < 2; ++i) {
|
||||
pos->oldRabbitPosition[i] = pos->rabbitPosition[i];
|
||||
pos->rabbitPosition[i] += (pos->rabbitVelocity[i] / RABBIT_MOTION_VELOCITY_DECAY);
|
||||
|
||||
if (pos->rabbitPosition[i] < pos->rabbitLimits[0][i]) {
|
||||
pos->rabbitPosition[i] = pos->rabbitLimits[0][i];
|
||||
}
|
||||
if (pos->rabbitPosition[i] >= pos->rabbitLimits[1][i]) {
|
||||
pos->rabbitPosition[i] = pos->rabbitLimits[1][i];
|
||||
}
|
||||
|
||||
if (pos->rabbitVelocity[i] < 0) {
|
||||
pos->rabbitVelocity[i] += RABBIT_MOTION_DRAG;
|
||||
if (pos->rabbitVelocity[i] > 0) pos->rabbitVelocity[i] = 0;
|
||||
}
|
||||
if (pos->rabbitVelocity[i] > 0) {
|
||||
pos->rabbitVelocity[i] -= RABBIT_MOTION_DRAG;
|
||||
if (pos->rabbitVelocity[i] < 0) pos->rabbitVelocity[i] = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
34
movement.h
34
movement.h
@ -1,3 +1,35 @@
|
||||
struct RabbitPositioning {
|
||||
#include "system/keyboard.h"
|
||||
struct RabbitPosition {
|
||||
int rabbitPosition[2];
|
||||
int oldRabbitPosition[2];
|
||||
int rabbitLimits[2][2];
|
||||
signed char rabbitVelocity[2];
|
||||
|
||||
int mousePosition[2];
|
||||
int oldMousePosition[2];
|
||||
|
||||
int mouseDotPosition[2];
|
||||
int oldMouseDotPosition[2];
|
||||
|
||||
int mouseAngle;
|
||||
};
|
||||
|
||||
struct RabbitWeaponry {
|
||||
char cooldown;
|
||||
};
|
||||
|
||||
struct BulletPosition {
|
||||
// 1 if the bullet should be rendered
|
||||
char isActive;
|
||||
// sweep up the bullet from the display
|
||||
char willBeInactive;
|
||||
int x, y;
|
||||
int oldX, oldY;
|
||||
|
||||
signed char velocityXSteps[2], velocityYSteps[2];
|
||||
char velocityStep;
|
||||
};
|
||||
|
||||
void calculateTargetAngle(struct RabbitPosition*, struct MouseStatus*);
|
||||
void captureAndLimitMousePosition(struct RabbitPosition*, struct MouseStatus*);
|
||||
void handleRabbitMovement(struct RabbitPosition*, struct KeyboardKeydownState*);
|
||||
|
||||
BIN
spritesheet.xcf
BIN
spritesheet.xcf
Binary file not shown.
BIN
sprtsht.bmp
BIN
sprtsht.bmp
Binary file not shown.
|
Before Width: | Height: | Size: 39 KiB After Width: | Height: | Size: 39 KiB |
@ -15,11 +15,11 @@ void setVideoMode(byte videoMode) {
|
||||
}
|
||||
|
||||
void waitStartVbl() {
|
||||
while (inp(INPUT_STATUS) & VBLANK);
|
||||
while (inp(INPUT_STATUS) & VBLANK);
|
||||
}
|
||||
|
||||
void waitEndVbl() {
|
||||
while (!(inp(INPUT_STATUS) & VBLANK));
|
||||
while (!(inp(INPUT_STATUS) & VBLANK));
|
||||
}
|
||||
|
||||
#define FAILSAFE (80)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user