Prayer, Audio & Variables

[GregHib]

Prayer (#59)

• Add prayer draining
• Add level requirements
• Add sound effects, gfx & animations
• Fix rigour and augury groups
• Fix quick prayer selection
• Fix prayer stats

Audio

• Add global sound & midi effect packets
• Add music effects packets
• Add sound, midi and music effect definitions
• Rename music to song track
• Add item equip sounds
• Add door & gate sounds
• Add tree fell sound

Variables

• Move variable logic into local player class
• Add clear variable method
• Add events for variable changes

Misc

• Rename level boosts to offsets
• Fix level offset saving
• Migrate graphics and animation to string identifiers Migrate animation and gfx ids to string identifiers #32
• Add item definition materials for equip sounds
• Remove author and since comments