Resourcing working on sounds. Added class Sound resource.

2015-09-17 17:50:00 +02:00
parent 587b712f49
commit 2a4c7c8b1a
4 changed files with 135 additions and 184 deletions
@@ -0,0 +1,90 @@
+#include "Sound/Sound.h"
+
+dd::Sound::Sound(std::string path)
+{
+    m_Buffer = LoadFile(path);
+}
+
+ALuint dd::Sound::LoadFile(std::string path)
+{
+
+    LOG_ERROR("Detta meddelande ska du bara få 1 gång! -----------------------------");
+    if (m_BufferCache.find(path) != m_BufferCache.end()) {
+        return m_BufferCache[path];
+    }
+
+    //Open file
+    FILE *fp = fopen(path.c_str(), "rb");
+    if (!fp) {
+        LOG_ERROR("Failed to open file %s, no such file exists", path.c_str());
+        return 0;
+    }
+
+    //CHECK FOR VALID WAVE-FILE
+    fread(m_Type, sizeof(char), 4, fp);
+    if(m_Type[0] != 'R' || m_Type[1] != 'I' || m_Type[2] != 'F' || m_Type[3] != 'F') {
+        LOG_ERROR("ERROR: No RIFF in WAVE-file");
+        return 0;
+    }
+
+    fread(&m_Size, sizeof(unsigned long), 1, fp);
+    fread(m_Type, sizeof(char), 4, fp);
+    if (m_Type[0] != 'W' || m_Type[1] != 'A' || m_Type[2] != 'V' || m_Type[3]!= 'E') {
+        LOG_ERROR("ERROR: Not WAVE-file");
+        return 0;
+    }
+
+    fread(m_Type, sizeof(char), 4, fp);
+    if (m_Type[0] != 'f' || m_Type[1] != 'm' || m_Type[2] != 't' || m_Type[3] != ' ') {
+        LOG_ERROR("ERROR: No fmt in WAVE-file");
+        return 0;
+    }
+
+    //READ THE DATA FROM WAVE-FILE
+    fread(&m_ChunkSize, sizeof(unsigned long), 1, fp);
+    fread(&m_FormatType, sizeof(short), 1, fp);
+    fread(&m_Channels, sizeof(short), 1, fp);
+    fread(&m_SampleRate, sizeof(unsigned long), 1, fp);
+    fread(&m_AvgBytesPerSec, sizeof(unsigned long), 1, fp);
+    fread(&m_BytesPerSample, sizeof(short), 1, fp);
+    fread(&m_BitsPerSample, sizeof(short), 1, fp);
+
+    fread(m_Type, sizeof(char), 4, fp);
+    if (m_Type[0] !='d' || m_Type[1] != 'a' || m_Type[2] != 't' || m_Type[3] != 'a') {
+        LOG_ERROR("ERROR: WAVE-file Missing data");
+        return 0;
+    }
+
+    fread(&m_DataSize, sizeof(unsigned long), 1, fp);
+
+    unsigned char* buf = new unsigned char[m_DataSize];
+    fread(buf, sizeof(unsigned char), m_DataSize, fp);
+    fclose(fp);
+
+    // Create buffer
+    ALuint format = 0;
+    if (m_BitsPerSample == 8) {
+        if (m_Channels == 1) {
+            format = AL_FORMAT_MONO8;
+        }
+        else if (m_Channels == 2) {
+            format = AL_FORMAT_STEREO8;
+        }
+    }
+    if (m_BitsPerSample == 16) {
+        if (m_Channels == 1) {
+            format = AL_FORMAT_MONO16;
+        }
+        else if (m_Channels == 2) {
+            format = AL_FORMAT_STEREO16;
+        }
+    }
+
+    ALuint buffer;
+    alGenBuffers(1, &buffer);
+    alBufferData(buffer, format, buf, m_DataSize, m_SampleRate);
+    delete[] buf;
+
+    m_BufferCache[path] = buffer;
+    return buffer;
+}