more tests, tuning difficulty

bin/test

@@ -1,4 +1,4 @@
 #!/bin/sh
 
-wmake clean && wmake test && dosbox-x -nolog test.exe
+wmake clean && wmake test && dosbox-x -c 132x60 -nolog test.exe
 

combat.c

@@ -375,8 +375,6 @@ int handleEnemyBulletToRabbitCollisions(
   return hitCount;
 }
 
-#define KNOCKBACK_DISTANCE (3)
-
 void knockbackEnemy(
   struct EnemyPosition *enemy,
   int angle
@@ -464,6 +462,8 @@ int handleRabbitToPowerupCollision(
   struct RabbitPosition *rabbitPosition,
   struct PlayerPowerup *playerPowerup
 ) {
+  struct CompiledSpriteRender *which;
+
   if (!playerPowerup->isActive) return 0;
 
   rabbit.x = rabbitPosition->rabbitPosition[0];
@@ -472,17 +472,17 @@ int handleRabbitToPowerupCollision(
 
   switch (playerPowerup->type) {
     case POWERUP_TYPE_SHOTGUN:
-      shotgun.x = playerPowerup->x;
-      shotgun.y = playerPowerup->y;
-      populateTargetCollision(&shotgun);
+      which = &shotgun;
       break;
     case POWERUP_TYPE_SHIELD_KILLER:
-      shieldKiller.x = playerPowerup->x;
-      shieldKiller.y = playerPowerup->y;
-      populateTargetCollision(&shieldKiller);
+      which = &shieldKiller;
       break;
   }
 
+  which->x = playerPowerup->x;
+  which->y = playerPowerup->y;
+  populateTargetCollision(which);
+
   return isCollision();
 }
 
@@ -507,7 +507,7 @@ void handleEnemyKills(
   struct PlayerPowerup *playerPowerup,
   struct RabbitWeaponry *rabbitWeaponry
 ) {
-  int i, hadKill, currentKillCount;
+  int i, currentKillCount;
 
   currentKillCount = processEnemyKillStates(enemyPosition);
 
@@ -516,6 +516,7 @@ void handleEnemyKills(
 
   globalGameState->kills += currentKillCount;
 
+  if (currentKillCount > 0) {
     processPowerupCooldown(
       playerPowerup,
       globalGameState,
@@ -523,8 +524,7 @@ void handleEnemyKills(
       currentKillCount
     );
 
-  if (hadKill) {
-    for (i = 0; i < 10; ++i) {
+    for (i = 0; i < MAX_DIFFICULTY; ++i) {
       if (globalGameState->kills > difficultyBands[i]) {
         globalGameState->difficulty = i + 1;
       }

combat.h

@@ -52,7 +52,8 @@ int handleRabbitToPowerupCollision(
 void handleEnemyKills(
   struct EnemyPosition enemyPosition[],
   struct GlobalGameState *globalGameState,
-  struct PlayerPowerup *playerPowerup
+  struct PlayerPowerup *playerPowerup,
+  struct RabbitWeaponry *rabbitWeaponry
 );
 
 void fireCurrentWeaponOnce(struct RabbitWeaponry*);

const.c

@@ -1,7 +1,30 @@
 #include "system/vga.h"
 #include "const.h"
 
-int difficultyBands[MAX_DIFFICULTY] = { 10, 20, 30, 50, 80, 130, 210, 340, 550, 890 };
+int difficultyBands[MAX_DIFFICULTY];
+int hitPointRanges[MAX_DIFFICULTY][4] = {
+  { 1, 1, 1, 1 },
+  { 1, 1, 1, 1 },
+  { 1, 1, 1, 2 },
+  { 1, 1, 1, 2 },
+  { 1, 1, 2, 2 },
+  { 1, 2, 2, 2 },
+  { 1, 2, 2, 2 },
+  { 1, 2, 2, 3 },
+  { 1, 2, 2, 3 },
+  { 1, 2, 3, 3 },
+  { 1, 2, 3, 3 },
+  { 1, 2, 3, 3 },
+  { 1, 2, 3, 3 },
+  { 1, 2, 3, 3 },
+  { 1, 2, 3, 3 },
+  { 1, 2, 3, 3 },
+  { 1, 2, 3, 3 },
+  { 1, 2, 3, 3 },
+  { 1, 2, 3, 3 },
+  { 1, 2, 3, 3 }
+};
+
 struct SpriteBounds bounds;
 
 // TODO: centralize these outside of game.c
@@ -12,3 +35,39 @@ struct CompiledSpriteRender rabbit,
   enemyBullet,
   shotgun,
   shieldKiller;
+
+void buildDifficultyBands() {
+  int i;
+  float current = BASE_KILLS;
+
+  for (i = 0; i < MAX_DIFFICULTY; ++i) {
+    difficultyBands[i] = (int)current;
+    current *= KILLS_NEEDED_FOR_NEXT_LEVEL_MULTIPLIER;
+  }
+}
+
+void buildHitPointRages() {
+  int currentRange[4] = { 1, 1, 1, 1 };
+  int i, j, countOfCurrent = 0, tmp;
+
+  for (i = 0; i < MAX_DIFFICULTY; ++i) {
+    for (j = 0; j < 4; ++j) {
+      hitPointRanges[i][j] = currentRange[j];
+    }
+
+    countOfCurrent++;
+    if (countOfCurrent == 2) {
+      countOfCurrent = 0;
+
+      currentRange[3]++;
+
+      for (j = 3; j > 0; --j) {
+        if (currentRange[j] > currentRange[j - 1]) {
+          tmp = currentRange[j - 1];
+          currentRange[j - 1] = currentRange[j];
+          currentRange[j] = tmp;
+        }
+      }
+    }
+  }
+};

const.h

@@ -12,7 +12,7 @@
 
 #define RABBIT_MOTION_DRAG (2)
 #define RABBIT_MOTION_ACCELERATION (5)
-#define RABBIT_MOTION_MAX_SPEED (12)
+#define RABBIT_MOTION_MAX_SPEED (10)
 #define RABBIT_MOTION_VELOCITY_DECAY (5)
 
 #define RABBIT_BULLET_LIMIT (9)
@@ -55,9 +55,20 @@
 #define POWERUP_RESPAWN_COOLDOWN_PER_LEVEL (10)
 
 #define SHOTGUN_ROUNDS_PER_LEVEL (25)
-#define MAX_DIFFICULTY (10)
+#define MAX_DIFFICULTY (20)
+#define BASE_KILLS (10)
+#define KILLS_NEEDED_FOR_NEXT_LEVEL_MULTIPLIER (2.1)
+
+#define WEAPON_TYPE_SINGLE_SHOT_GUN (0)
+#define WEAPON_TYPE_SPREAD_SHOT_GUN (1)
+
+#define POWERUP_TYPE_SHOTGUN (0)
+#define POWERUP_TYPE_SHIELD_KILLER (1)
+
+#define KNOCKBACK_DISTANCE (3)
 
 extern int difficultyBands[];
+extern int hitPointRanges[MAX_DIFFICULTY][4];
 extern struct SpriteBounds bounds;
 
 extern struct CompiledSpriteRender rabbit,
@@ -68,4 +79,7 @@ extern struct CompiledSpriteRender rabbit,
   shotgun,
   shieldKiller;
 
+void buildDifficultyBands();
+void buildHitPointRages();
+
 #endif

const_test.c

@@ -0,0 +1,27 @@
+#include "cutest-1.5/CuTest.h"
+#include "const.h"
+#include <stdio.h>
+
+void TestBuildDifficultyBands(CuTest *tc) {
+  buildDifficultyBands();
+
+  CuAssertIntEquals(tc, 10, difficultyBands[0]);
+  CuAssertIntEquals(tc, 21, difficultyBands[1]);
+  CuAssertIntEquals(tc, 44, difficultyBands[2]);
+}
+
+void TestBuildHitPointRanges(CuTest *tc) {
+  buildHitPointRages();
+
+  CuAssertIntEquals(tc, 1, hitPointRanges[0][0]);
+  CuAssertIntEquals(tc, 1, hitPointRanges[1][0]);
+  CuAssertIntEquals(tc, 2, hitPointRanges[2][0]);
+  CuAssertIntEquals(tc, 1, hitPointRanges[2][3]);
+}
+
+CuSuite *ConstGetSuite() {
+  CuSuite *suite = CuSuiteNew();
+  SUITE_ADD_TEST(suite, TestBuildDifficultyBands);
+  SUITE_ADD_TEST(suite, TestBuildHitPointRanges);
+  return suite;
+}

game.c

@@ -318,6 +318,9 @@ int setupGame() {
   installKeyboardHandler();
   initializeDrawBuffer();
 
+  buildDifficultyBands();
+  buildHitPointRages();
+
   setupWallSprites();
   setupRabbitSprites();
   setupRabbitBullets();
@@ -481,7 +484,8 @@ int main(void) {
     handleEnemyKills(
       enemyPosition,
       &globalGameState,
-      &playerPowerup
+      &playerPowerup,
+      &rabbitWeaponry
     );
 
     sprintf(buffer, "Hit: %d", globalGameState.kills);
@@ -492,6 +496,8 @@ int main(void) {
     renderStringToDrawBuffer(buffer, 1, 0, 210, 40);
     sprintf(buffer, "Cool: %d  ", playerPowerup.cooldown);
     renderStringToDrawBuffer(buffer, 1, 0, 210, 50);
+    sprintf(buffer, "Wpn: %d  ", rabbitWeaponry.currentWeapon);
+    renderStringToDrawBuffer(buffer, 1, 0, 210, 60);
 
     waitStartVbl();
     copyDrawBufferToDisplay();

makefile

@@ -1,5 +1,5 @@
 obj = sprites.o game.o bmpload.o arena.o movement.o combat.o spawn.o const.o powerup.o
-test_obj = test.o spawn.o spawn_test.o powerup.o powerup_test.o const.o combat.o combat_test.o
+test_obj = test.o spawn.o spawn_test.o powerup.o powerup_test.o const.o const_test.o combat.o combat_test.o
 
 all: system/system.lib game.exe test .SYMBOLIC
 

movement.h

@@ -18,18 +18,12 @@ struct RabbitPosition {
   int mouseAngle;
 };
 
-#define WEAPON_TYPE_SINGLE_SHOT_GUN (0)
-#define WEAPON_TYPE_SPREAD_SHOT_GUN (1)
-
 struct RabbitWeaponry {
   char cooldown;
   char currentWeapon;
   int currentWeaponRemainingRounds;
 };
 
-#define POWERUP_TYPE_SHOTGUN (0)
-#define POWERUP_TYPE_SHIELD_KILLER (1)
-
 struct PlayerPowerup {
   int x, y;
   int cooldown;

powerup.c

@@ -1,3 +1,4 @@
+#include <stdio.h>
 #include <stdlib.h>
 
 #include "game.h"

powerup_test.c

@@ -11,16 +11,16 @@ void TestDeterminePowerupCooldownTime(CuTest *tc) {
   srand(1);
 
   CuAssertIntEquals(tc, 18, determinePowerupCooldownTime(0));
-  CuAssertIntEquals(tc, 38, determinePowerupCooldownTime(1));
-  CuAssertIntEquals(tc, 33, determinePowerupCooldownTime(2));
+  CuAssertIntEquals(tc, 25, determinePowerupCooldownTime(1));
+  CuAssertIntEquals(tc, 81, determinePowerupCooldownTime(2));
 }
 
 void TestDetermineShotgunRounds(CuTest *tc) {
   srand(1);
 
   CuAssertIntEquals(tc, 18, determineShotgunRounds(0));
-  CuAssertIntEquals(tc, 38, determineShotgunRounds(1));
-  CuAssertIntEquals(tc, 48, determineShotgunRounds(2));
+  CuAssertIntEquals(tc, 39, determineShotgunRounds(1));
+  CuAssertIntEquals(tc, 81, determineShotgunRounds(2));
 }
 
 

spawn.c

@@ -17,21 +17,8 @@ struct SpawnPointRange spawnPointRanges[4] = {
    { .left = TILE_SIZE - 8, .width = TILE_SIZE, .top = TILE_SIZE * 4, .height = TILE_SIZE * 2 },
 };
 
-int HIT_POINT_RANGES[10][4] = {
-  { 1, 1, 1, 1 },
-  { 1, 1, 1, 1 },
-  { 1, 1, 1, 2 },
-  { 1, 1, 1, 2 },
-  { 1, 1, 2, 2 },
-  { 1, 2, 2, 2 },
-  { 1, 2, 2, 2 },
-  { 1, 2, 2, 3 },
-  { 1, 2, 2, 3 },
-  { 1, 2, 3, 3 }
-};
-
 int determineEnemyHitPointCalculation(int difficulty, int roll) {
-  return HIT_POINT_RANGES[difficulty][roll];
+  return hitPointRanges[difficulty][roll];
 }
 
 void selectEnemySpawnLocation(

test.c

@@ -1,17 +1,26 @@
+#include "const.h"
 #include "cutest-1.5/CuTest.h"
 #include <stdio.h>
 
 CuSuite *SpawnGetSuite();
 CuSuite *PowerupGetSuite();
 CuSuite *CombatGetSuite();
+CuSuite *ConstGetSuite();
+
+void beforeAll() {
+  buildDifficultyBands();
+}
 
 int RunAllTests(void) {
   CuString *output = CuStringNew();
   CuSuite *suite = CuSuiteNew();
 
+  beforeAll();
+
   CuSuiteAddSuite(suite, SpawnGetSuite());
   CuSuiteAddSuite(suite, PowerupGetSuite());
   CuSuiteAddSuite(suite, CombatGetSuite());
+  CuSuiteAddSuite(suite, ConstGetSuite());
 
   CuSuiteRun(suite);
   CuSuiteSummary(suite, output);