67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
#include "wave.h"
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#include "game_state.h"
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#include "components.h"
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#include "entity_factory.h"
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#include "utils.h"
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WaveInfo getWaveInfo(i32 idx) {
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BZ_ASSERT(idx >= 0);
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WaveData waveData;
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if (idx >= NUM_WAVES) {
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waveData = predefWaves[NUM_WAVES - 1];
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waveData.difficultyScale += (idx - NUM_WAVES) * 0.1f;
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} else {
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waveData = predefWaves[idx];
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}
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WaveInfo info = {
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.number = idx,
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.data = waveData,
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.orcsToSend = waveData.numOrcs,
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.goblinsToSend = waveData.numGoblins,
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};
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info.data.timeBeforeStart /= 60;
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return info;
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}
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static Vector2 randomizeSpawnPos(Vector2 spawnPoint, i32 range) {
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spawnPoint.x += randFloatRange(-range, range);
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spawnPoint.y += randFloatRange(-range, range);
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return spawnPoint;
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}
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void updateWave(WaveInfo *wave, Game *game, f32 dt) {
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wave->elapsed += dt;
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if (wave->elapsed < wave->data.timeBeforeStart)
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return;
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wave->started = true;
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wave->orcsElapsed += dt;
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wave->goblinsElapsed += dt;
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f32 timeForGoblin = 1.0f / wave->data.goblinSendRate;
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if (wave->goblinsElapsed >= timeForGoblin) {
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Vector2 spawnPos = randomizeSpawnPos(game->swarmSpawn, 20);
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entityCreate(ENTITY_GOBLIN, spawnPos, PLAYER_ENEMY, game);
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wave->goblinsElapsed -= timeForGoblin;
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}
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f32 timeForOrc = 1.0f / wave->data.orcSendRate;
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if (wave->orcsElapsed >= timeForOrc) {
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Vector2 spawnPos = randomizeSpawnPos(game->swarmSpawn, 20);
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entityCreate(ENTITY_ORC, spawnPos, PLAYER_ENEMY, game);
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wave->orcsElapsed -= timeForOrc;
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}
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}
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bool isWaveSendingOver(const WaveInfo *wave) {
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return wave->orcsToSend == 0 && wave->goblinsToSend == 0;
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}
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bool isWaveOver(const WaveInfo *wave) {
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if (!isWaveSendingOver(wave)) return false;
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return wave->started && ecs_count_id(ECS, ecs_id(Swarm)) == 0;
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}
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